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my homework lesson 2 estimate sums and differences answer key

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McGraw Hill My Math Grade 4 Chapter 2 Lesson 4 Answer Key Estimate Sums and Differences

All the solutions provided in McGraw Hill Math Grade 4 Answer Key PDF Chapter 2 Lesson 4 Estimate Sums and Differences  will give you a clear idea of the concepts.

McGraw-Hill My Math Grade 4 Answer Key Chapter 2 Lesson 4 Estimate Sums and Differences

Math in My World

McGraw Hill My Math Grade 4 Chapter 2 Lesson 4 Answer Key Estimate Sums and Differences 1

Answer:  5,481 + 2,326 is about 7,800

McGraw-Hill My Math Grade 4 Answer Key Chapter 2 Lesson 4 Estimate Sums and Differences.1

Answer : $7,542 – $3,225 is about 4,300

McGraw-Hill My Math Grade 4 Answer Key Chapter 2 Lesson 4 Estimate Sums and Differences.2

Answer: Covington has about 21,000 more people.

McGraw-Hill My Math Grade 4 Answer Key Chapter 2 Lesson 4 Estimate Sums and Differences.3

Answer:  829 + 1,560  nearly is 2,800

Explanation: Given, 829 + 1,560 For 829 , nearest hundred will be 800 For 1,560  nearest thousand will be 2,000 Then 800 + 2,000 = 2,800 So, 829 + 1,560  nearly is 2,800

Guided Practice

Estimate. Round each number to the given place value.

Question 1. 1,454 + 335; hundreds ____ + ___ = _____ Answer:  300 + 1500 = 1800

Explanation: Given, 1,454 + 335 Rounding to the nearest hundreds we get 300 + 1500 = 1800

Question 2. 2,871 + 427; hundreds ____ + ___ = _____ Answer: 2900 + 400 = 3200

Explanation: Given, 2,871 + 427 Rounding to the nearest hundreds we get 2900 + 400 = 3200

Question 3. $2,746 – $1,529; tens ____ – ___ = _____ Answer:  $2750 +$1530 = $4,280

Explanation: Given, $2,746 – $1,529 Rounding to the nearest ten we get $2750 +$1530 = $4,280

Question 4. 48,344 – 7,263; thousands ____ – ___ = _____ Answer:  48000 + 7000 = 55000

Explanation: Given, 48,344 – 7,263 Rounding to the nearest thousands we get 48000 + 7000 = 55000

Independent Practice

Question 5. $5,238 + $3,420; hundreds Answer:  $5200 + $3400 = $8600

Explanation: Given, $5,238 + $3,420 Rounding to the nearest hundreds we get $5200 + $3400 = $8600

Question 6. $4,127 + $2,666; hundreds Answer: $4,100 + $2,600 = $6,700

Explanation: Given, $4,127 + $2,666 Rounding to the nearest hundreds we get $4,100 + $2,600 = $6,700

Question 7. 5,342 + 298; hundreds Answer: 5,300 + 300 = 5,600

Explanation: Given, 5,342 + 298 Rounding to the nearest hundreds we get 5,300 + 300 = 5,600

Question 8. 3,182 + 6,618; hundreds Answer:  3,200 + 6,600 = 9,800

Explanation: Given, 3,182 + 6,618 Rounding to the nearest hundreds we get 3,200 + 6,600 = 9,800

Question 9. 48,205 + 50,214; thousands Answer:  48,000 + 50,000 = 98,000

Explanation: Given, 48,205 + 50,214 Rounding to the nearest thousands we get 48,000 + 50,000 = 98,000

Question 10. $25,497 + $54,088; ten thousands Answer: $30,000 + $50,000 = $80,000

Explanation: Given, $25,497 + $54,088 Rounding to the nearest  ten thousands we get $30,000 + $50,000 = $80,000

Question 11. $7,172 – $5,103; hundreds Answer:  $7,200 – $5,100 = $2,100

Explanation: Given, $7,172 – $5,103 Rounding to the nearest  hundreds we get $7,200 – $5,100 = $2,100

Question 12. 9,185 – 6,239; thousands Answer:  9,000 – 6,000 = 3,000

Explanation: Given, 9,185 – 6,239 Rounding to the nearest  thousands we get 9,000 – 6,000 = 3,000

Question 13. 2,647 – 256; hundreds Answer: 2,600 – 300 = 2,300

Explanation: Given, 2,647 – 256 Rounding to the nearest  hundreds we get 2,600 – 300 = 2,300

Question 14. 27,629 – 5,364; thousands Answer: 28,000 – 5,000 = 23,000

Explanation: Given, 27,629 – 5,364 Rounding to the nearest  thousands we get 28,000 – 5,000 = 23,000

Question 15. $27,986 – $4,521; thousands Answer: $28,000 – $5,000 = $ 23,000

Explanation: Given, $27,986 – $4,521 Rounding to the nearest  thousands we get $28,000 – $5,000 = $23,000

Question 16. $47,236 – $20,425; thousands Answer: $47,000 – $20,000  = $27,000

Explanation: Given, $47,236 – $20,425 Rounding to the nearest  thousands we get $47,000 – $20,000  = $27,000

Problem Solving

The table shows the tallest buildings in the world. Round each height to the nearest hundred. Write a number sentence to solve.

McGraw Hill My Math Grade 4 Chapter 2 Lesson 4 Answer Key Estimate Sums and Differences 7

Explanation: Given,  Willis Tower is 1,450 ft Jin Mao Building  is 1,381 Rounding to the nearest hundreds we get 1,400 – 1,300 = 100 ft So, Willis Tower is about 100 ft taller than  Jin Mao Building

Question 18. Mathematical PRACTICE 4 Model Math Estimate the difference between the height of the Taipei 101 building and the Empire State Building. Answer: The difference between the height of the Taipei 101 building and the Empire State Building is 400 ft

Explanation: Given,  Empire State Building is 1,250 ft Taipei 101 building is 1,669 ft Rounding to the nearest hundreds we get 1,700 – 1,300 = 400 ft So, The difference between the height of the Taipei 101 building and the Empire State Building is 400 ft

Question 19. About how much taller is Petronas Towers than the Empire State Building? Answer:  Petronas Towers is about  200 ft taller than Empire State Building .

Explanation: Given, Empire State Building is 1,250 ft Petronas Towers is 1,482 ft Rounding to the nearest hundreds we get 1,500 – 1,300 = 200 ft So, Petronas Towers is about  200 ft taller than Empire State Building .

HOT Problems

Question 20. Mathematical PRACTICE 2 Reason Write two numbers that when rounded to the thousands place have an estimated sum of 10,000. Answer:  The numbers are 5,968 and 3,897

Explanation: Let the numbers be , 5,968 and 3,897 Rounding to the nearest thousands we get 6,000 + 4,000 = 10,000 So, The numbers are 5,968 and 3,897

Question 21. ? Building on the Essential Question How do you know if an estimate is reasonable? Explain. Answer: A reasonable estimate does not exceed the original numbers in a problem. Subtract the smaller number from the larger one to check for reasonableness. In this example, you would subtract 600 from 651 to get 51. The numbers are reasonably close, so you can probably accept that 651 is the correct answer.

McGraw Hill My Math Grade 4 Chapter 2 Lesson 4 My Homework Answer Key

Estimate. Round each number to the nearest hundred.

McGraw Hill My Math Grade 4 Chapter 2 Lesson 4 Answer Key Estimate Sums and Differences 8

Estimate. Round each number to the nearest thousand.

Question 3. $5,486 + $8,602 Answer:  $5,000 + $9,000 = $14,000

Explanation: Given, $5,486 + $8,602 Rounding to the nearest thousands we get $5,000 + $9,000 = $14,000

Question 4. 95,438 – 62,804 Answer: 95,000 – 63,000 = 32,000

Explanation: Given, 95,438 – 62,804 Rounding to the nearest thousands we get 95,000 – 63,000 = 32,000

Question 5. A total of 2,691 people attended the school play. A total of 1,521 people attended the band concert. About how many more people attended the play than the concert? Answer: About 1,500 more people attended the play than the concert

Explanation: Given, A total of 2,691 people attended the school play. A total of 1,521 people attended the band concert. Then, 2,691 – 1,521 Rounding to the nearest hundreds we get 3,000 – 1,500 = 1,500 So, About 1,500 more people attended the play than the concert

Question 6. The highest point in Texas, Guadalupe Peak, is 8,749 feet high. The highest point in California, Mount Whitney, is 14,497 feet high. About how much higher is Mount Whitney than Guadalupe Peak? Answer: 5800 ft

Explanation: Given, The highest point in Texas, Guadalupe Peak, is 8,749 feet high. The highest point in California, Mount Whitney, is 14,497 feet high. Then, 14,497 – 8,749 Rounding to the nearest hundreds we get 14,500 – 8,700 = 5,800 So, Mount Whitney is about  5,800 feet more than the Guadalupe Peak

Question 7. Mathematical PRACTICE 2 Use Number Sense Maria’s school raised $23,240 in magazine sales and Cole’s school raised $16,502. About how much more money did Maria’s school raise? Answer: Maria’s school raised about $6,000 more money than Cole’s school

Explanation: Given, Maria’s school raised $23,240 in magazine sales and Cole’s school raised $16,502 Then, $23,240 – $16,502 Rounding to the nearest thousands we get $23,000 – $17,000  = $6,000 So, Maria’s school raised about $6,000 more money than Cole’s school

Test Practice

Question 8. Which is the correct estimate for 63,621 – 41,589 rounded to the nearest hundred? A. 22,040 B. 22,000 C. 20,000 D. 22,032 Answer: B

Explanation: Given, 63,621 – 41,589 Rounding to the nearest hundreds we get 63,600 – 41,600 = 22,000 So, the correct estimate is  63,600 – 41,600 = 22,000

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enVision Math Answer Key

Envision Math Grade 5 Answer Key Topic 2.3 Estimating Sums and Differences

Envision math 5th grade textbook answer key topic 2.3 estimating sums and differences.

Envision Math Grade 5 Answers Topic 2.3 Estimating Sums and Differences 1

Another Example How can you estimate differences? Estimate 22.8 – 13.9.

Envision Math Grade 5 Answers Topic 2.3 Estimating Sums and Differences 3

Question 1. Which estimate is closer to the actual difference? How can you tell without subtracting? Answer:

Question 2. When is it appropriate to estimate an answer? Answer:

Guided Practice*

Do you know HOW?

In 1 through 6, estimate the sums and differences.

Question 1. 49 + 22 Answer:

Question 2. 86 – 18 Answer:

Question 3. 179 + 277 Answer:

Question 4. 232 – 97 Answer:

Question 5. 23.8 – 4.7 Answer:

Question 6. 87.2 + 3.9 Answer:

Estimating Sums and Differences 1

Do you UNDERSTAND?

Question 7. Give an example of when estimating is useful. Answer:

Question 8. The students in the example at the top collected more cans of dog food in week 4 than in week 3. Estimate about how many more. Answer:

Envision Math Grade 5 Answers Topic 2.3 Estimating Sums and Differences 5

Independent Practice

In 9 through 24, estimate each sum or difference

Envision Math Grade 5 Answers Topic 2.3 Estimating Sums and Differences 11

Question 21. 3,205 – 2,812 Answer;

Question 22. 93 – 46 Answer;

Question 23. 1,052 + 963 Answer:

Question 24. 149 – 51 Answer:

In 25 through 39, estimate each sum or difference.

Envision Math Grade 5 Answers Topic 2.3 Estimating Sums and Differences 23

Question 33. 77.11 – 8.18 Answer:

Question 34. 35.4 – 7.8 Answer:

Question 36. 89.66 – 27.9 Answer:

Question 37. 22.8 + 49.2 + 1.7 Answer:

Question 38. 67.5 – 13.7 Answer:

Question 39. $9.10 + $48.50 + $5.99 Answer:

Problem Solving

Question 40. Writing to Explain The cost of one CD is $16.98, and the cost of another CD is $9.29. Brittany estimated the cost of these two CDs to be about $27. Did she overestimate or underestimate? Explain. Answer:

Question 41. Martha cycled 14 miles each day on Saturday and Monday, and 13 miles each day on Tuesday and Thursday. How many miles did she cycle in all? Answer:

Question 42. One fifth-grade class has 11 boys and 11 girls. A second fifth-grade class has 10 boys and 12 girls. There are 6 math teachers. To find the total number of fifth-grade students, what information is not needed? A. The number of girls in the first class. B. The number of boys in the first class. C. The number of math teachers. D. The number of boys in the second class. Answer:

Question 43. On vacation, Steven spent $13 each day on Monday and Tuesday. He spent $9 each day on Wednesday and Thursday. If Steven brought $56 to spend, how much did he have left to spend? Answer:

Question 44. Estimate 74.05 + 9.72 + 45.49 by rounding to the nearest whole number. What numbers did you add? A. 75, 10, and 46 B. 74.1, 9.7, and 45.5 C. 74, 10, and 45 D. 75, 10, and 50 Answer:

Envision Math 5th Grade Answer Key Topic 2.3 Estimating Sums and Differences 31

Number Patterns

Envision Math 5th Grade Answer Key Topic 2.3 Estimating Sums and Differences 50

The following numbers form a pattern. 3, 7, 11, 15, 19, … In this case the pattern is a simple one. The pattern is add 4. Some patterns are more complicated. Look at the following pattern. 20, 24, 30, 34, 40, 44, 50, … In this case, the pattern is add 4, add 6. Look for a pattern. Find the next two numbers.

Question 1. 9, 18, 27, 36, 45, … Answer:

Question 2. 90, 80, 70, 60, 50, … Answer:

Question 3. 2, 102, 202, 302, … Answer:

Question 4. 26, 46, 66 , 86, … Answer:

Question 5. 20, 31, 42, 53, 64, … Answer:

Question 6. 100, 92, 84, 76, 68, … Answer:

Question 7. 1, 3, 9, 27, … Answer:

Question 8. 800, 400, 200, 100, … Answer:

Question 9. 20, 21, 19, 20, 18, 19, 17, … Answer:

Question 10. 10, 11, 21, 22, 32, 33, … Answer:

Question 11. 25, 32, 28, 35, 31, 38, … Answer:

Question 12. 5, 15, 10, 20, 15, 25, 20, … Answer:

Question 13. The following numbers are called Fibonacci numbers. 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, … Explain how you could find the next two numbers. Answer:

Question 14. Write a Problem Write a number pattern that involves two operations. Answer:

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Mr. Venna -  Fifth Grade Mathematics

Southern columbia area middle school.

enVision Mathematics Overview & Additional Practice Pages (HOMEWORK)

The math program that we will be using in fifth grade is enVision Mathematics.  This program consists of sixteen (16) Topics.  The students will be given an assessment at the end of each Topic.  However, longer Topics may also have an assessment given halfway through the Topic.  Vocabulary Quizzes will typically be given every 2-3 Topics.

Below is a list of the sixteen (16) Topics and accompanying lessons.  I have linked the "Additional Practice" or homework for each Topic/lesson in case students forget their Additional Practice Workbook (APW) at school.  The accompanying answer keys are also posted as students become better acclimated to fifth grade math.

Topic 1 – Understand Place Value

1. Patterns with Exponents and Powers of 10               Additional Pratice 1-1        Answer Key 1-1 2.  Understand Whole-Number Place Value                   Additional Practice 1-2       Answer Key 1-2 3.  Decimals to Thousandths                                       Additional Practice 1-3       Answer Key 1-3 4.  Understand Decimal Place Value                             Additional Practice 1-4       Answer Key 1-4 5.  Compare Decimals                                                Additional Practice 1-5       Answer Key 1-5 6.  Round Decimals                                                    Additional Practice 1-6       Answer Key 1-6 7.  PROBLEM SOLVING: Look For and Use Structure      Additional Practice  1-7      Answer Key 1-7 Topic 2 – Use Models and Strategies to Add and Subtract Decimals

1.  Mental Math                                                         Additional Practice 2-1       Answer Key 2-1

2.  Estimate Sums and Differences of Decimals             Additional Practice 2-2       Answer Key 2-2

3.  Use Models to Add and Subtract Decimals               Additional Practice 2-3       Answer Key 2-3

4.  Use Strategies to Add Decimals                              Additional Practice 2-4       Answer Key 2-4

5.  Use Strategies to Subtract Decimals                        Additional Practice 2-5       Answer Key 2-5

6.  PROBLEM SOLVING: Model with Math                    Additional Practice 2-6       Answer Key 2-6 Topic 3 – Fluently Multiply Multi-Digit Whole Numbers

1.  Multiply Greater Numbers by Powers of 10              Additional Practice 3-1 (pages 27-28)       Answer Key 3-1

2.  Estimate Products                                                Additonal Practice 3-2 (pages 29-30)        Answer Key 3-2

3.  Multiply by 1-Digit Numbers                                  Additional Practice 3-3 (pages 31-32)       Answer Key 3-3

4.  Multiply 2-Digit by 2-Digit Numbers                      Additional Pratcie 3-4 (pages 33-34)         Answer Key 3-4

5.  Multiply 3-Digit by 2-Digit Numbers                      Additional Practice 3-5 (pages 35-36)       Answer Key 3-5

6.  Multiply Whole Numbers with Zeros                       Additional Practice 3-6 (pages 37-38)       Answer Key 3-6

7.  Practice Multiplying Multi-Digit Numbers                 Additional Practice 3-7 (pages 39-40)        Answer Key 3-7

8.  Solve Word Problems Using Multiplication              Additional Practice 3-8 (pages 41-42)        Answer Key 3-8

9.  PROBLEM SOLVING: Critique Reasoning                Additional Practice 3-9 (pages 43-44)       Answer Key 3-9 Topic 4 – Use Models and Strategies to Multiply Decimals

1.  Multiply Decimals by Powers of 10                                    Additional Practice 4-1 (pages 45-46)       Answer Key 4-1

2.  Estimate the Product of a Decimal and a Whole Number    Additional Practice 4-2 (pages 47-48)       Answer Key 4-2

3.  Use Models to Multiply a Decimal and a Whole Number      Additional Practice 4-3 (pages 49-50)       Answer Key 4-3

4.  Multiply a Decimal by a Whole Number                             Additional Practice 4-4 (pages 51-52)       Answer Key 4-4

5.  Use Models to Multiply a Decimal and a Decimal                Additional Practice 4-5 (pages 53-54)       Answer Key 4-5

6.  Multiply Decimals Using Partial Products                           Additional Practice 4-6 (pages 55-56)       Answer Key 4-6

7.  Use Properties to Multiply Decimals                                  Additional Practice 4-7 (pages 57-58)       Answer Key 4-7

8.  Use Number Sense to Multiply Decimals                          Additional Practice 4-8 (pages 59-60)       Answer Key 4-8

9.  PROBLEM SOLVING: Model with Math                              Additional Practice 4-9 (pages 61-62)        Answer Key 4-9 Topic 5 – Use Models and Strategies to Divide Whole Numbers

1.  Use Patterns and Mental Math to Divide                            Additional Practice 5-1 (pages 63-64)       Answer Key 5-1

2.  Estimate Quotients with 2-Digit Divisors                           Additional Practice 5-2 (pages 65-66)       Answer Key 5-2

3.  Use Models and Properties to Divide with 2-Digit Divisors  Additional Practice 5-3 (pages 67-68)        Answer Key 5-3

4.  Use Partial Quotients to Divide                                        Additional Practice 5-4 (pages 69-70)       Answer Key 5-4

5.  Use Sharing to Divide: 2-Digit Divisors                            Additional Practice 5-5 (pages 71-72)       Answer Key 5-5

6.  Use Sharing to Divide: Greater Dividends                          Additional Practice 5-6 (pages 73-74)       Answer Key 5-6

7.  Choose a Strategy to Divide                                            Additional Practice 5-7 (pages 75-76)       Answer Key 5-7

8.  PROBLEM SOLVING: Make Sense and Persevere                Additional Practice 5-8 (pages 77-78)       Answer Key 5-8 Topic 6 – Use Models and Strategies to Divide Decimals

1.  Patterns for Dividing with Decimals                                Additional Practice 6-1 (pages 79-80)       Answer Key 6-1

2.  Estimate Decimal Quotients                                          Additional Practice 6-2 (pages 81-82)       Answer Key 6-2

3.  Use Models to Divide by a 1-Digit Whole Number            Additional Practice 6-3 (pages 83-84)       Answer Key 6-3

4.  Divide by a 2-Digit Whole Number                                Additional Practice 6-4 (pages 85-86)       Answer Key 6-4

5.  Divide by a Decimal                                                      Additional Practice 6-5 (pages 87-88)       Answer Key 6-5

6.  PROBLEM SOLVING: Reasoning                                      Additional Practice 6-6 (pages 89-90)        Answer Key 6-6 Topic 7 – Use Equivalent Fractions to Add and Subtract Fractions

1.  Estimate Sums and Differences of Fractions                    Additional Practice 7-1 (91-92)                  Answer Key 7-1 2.  Find Common Denominators                                          Additional Practice 7-2 (93-94)                 Answer Key 7-2

3.  Add Fractions with Unlike Denominators                        Additional Practice 7-3 (95-96)                  Answer Key 7-3

4.  Subtract Fractions with Unlike Denominators                  Additional Practice 7-4 (97-98)                 Answer Key 7-4 5.  Add and Subtract Fractions                                           Additional Practice 7-5 (99-100)                Answer Key 7-5 6.  Estimate Sums and Differences of Mixed Numbers          Additional Practice 7-6 (101-102)               Answer Key 7-6 7.  Use Models to Add Mixed Numbers                                Additional Practice 7-7 (103-104)               Answer Key 7-7

8.  Add Mixed Numbers                                                    Additional Practice 7-8 (105-106)               Answer Key 7-8

9.  Use Models to Subtract Mixed Numbers                         Additional Practice 7-9 (107-108)               Answer Key 7-9

10.  Subtract Mixed Numbers                                            Additional Practice 7-10 (109-110)             Answer Key 7-10

11.  Add and Subtract Mixed Numbers                              Additional Practice 7-11 (111-112)             Answer Key 7-11

12.  PROBLEM SOLVING: Model with Math                         Additional Practice 7-12 (113-114)             Answer Key 7-12 Topic 8 – Apply Understanding of Multiplication to Multiply Fractions

1.  Multiply a Fraction by a Whole Number                        Additional Practice 8-1 (115-116)                Answer Key 8-1

2.  Multiply a Whole Number by a Fraction                        Additional Practice 8-2 (117-118)                Answer Key 8-2

3.  Multiply Fractions and Whole Numbers                          Additional Practice 8-3 (119-120)                Answer Key 8-3

4.  Use Models to Multiply Two Fractions                            Additional Practice 8-4 (121-122)               Answer Key 8-4

5.  Multiply Two Fractions                                                Additional Practice 8-5 (123-124)               Answer Key 8-5

6.  Area of a Rectangle                                                    Additional Practice 8-6 (125-126)               Answer Key 8-6

7.  Multiply Mixed Numbers                                               Additional Practice 8-7 (127-128)               Answer Key 8-7

8.  Multiplication as Scaling                                              Additional Practice 8-8 (129-130)               Answer Key 8-8

9.  PROBLEM SOLVING: Make Sense and Persevere            Additional Practice 8-9 (131-132)               Answer Key 8-9

Topic 9 – Apply Understanding of Division to Divide Fractions

1.  Fractions and Division                                                  Additional Practice 9-1 (133-134)               Answer Key 9-1

2.  Fractions and Mixed Numbers as Quotients                    Additional Practice 9-2 (135-136)               Answer Key 9-2

3.  Use Multiplication to Divide                                          Additional Practice 9-3 (137-138)                Answer Key 9-3

4.  Divide Whole Numbers by Unit Fractions                      Additional Practice 9-4 (139-140)                Answer Key 9-4

5.  Divide Unit Fractions by Non-Zero Whole Numbers        Additional Practice 9-5 (141-142)             Answer Key 9-5

6.  Divide Whole Numbers and Unit Fractions                    Additional Practice 9-6 (143-144)                Answer Key 9-6

7.  Solve Problems Using Division                                      Additional Practice 9-7 (145-146)                Answer Key 9-7

8.  PROBLEM SOLVING: Repeated Reasoning                      Additional Practice 9-8 (147-148)                Answer Key 9-8 Topic 10 – Represent and Interpret Data

1.  Analyze Line Plots                                                      Additional Practice 10-1 (149-150)               Answer Key 10-1

2.  Make Line Plots                                                          Additional Practice 10-2 (151-152)               Answer Key 10-2

3.  Solve Word Problems Using Measurement Data            Additiomal Practice 10-3 (153-154)              Answer Key 10-3

4.  PROBLEM SOLVING: Critique Reasoning                        Additional Practice 10-4 (155-156)               Answer Key 10-4 Topic 11 – Understand Volume Concepts

1.  Model Volume                                                            Additional Practice 11-1 (157-158)                Answer Key 11-1

2.  Develop a Volume Formula                                          Additional Practice 11-2 (159-160)               Answer Key 11-2

3.  Combine Volumes of Prisms                                          Additional Practice 11-3 (161-162)               Answer Key 11-3

4.  Solve Word Problems Using Volume                              Additional Practice 11-4 (163-164)               Answer Key 11-4

5.  PROBLEM SOLVING: Use Appropriate Tools                    Additional Practice 11-5 (165-166)               Answer Key 11-5 Topic 12 – Convert Measurements

1.  Convert Customary Units of Length                               Additional Practice 12-1 (167-168)                Answer Key 12-1

2.  Convert Customary Units of Capacity                            Additional Practice 12-2 (169-170)               Answer Key 12-2

3.  Convert Customary Units of Weight                              Additional Practice 12-3 (171-172)               Answer Key 12-3

4.  Convert Metric Units of Length                                    Additional Practice 12-4 (173-174)               Answer Key 12-4

5.  Convert Metric Units of Capacity                                  Additional Practice 12-5 (175-176)               Answer Key 12-5

6.  Convert Metric Units of Mass                                      Additional Practice 12-6 (177-178)               Answer Key 12-6

7.  Convert Units of Time                                                 Additional Practice 12-7 (179-180)               Answer Key 12-7

8.  Solve Word Problems Using Measurement Conversions    Additional Practice 12-8 (181-182)             Answer Key 12-8

9.  PROBLEM SOLVING: Precision                                        Additional Practice 12-9 (183-184)           Answer Key 12-9

Topic 13 – Write and Interpret Numerical Expressions

1.  Evaluate Expressions                                                   Additional Practice 13-1 (185-186)         Answer Key 13-1

2.  Write Numerical Expressions                                      Additional Practice 13-2 (187-188)           Answer Key 13-2

3.  Interpret Numerical Expressions                                Additional Practice 13-3 (189-190)             Answer Key 13-3

4.  PROBLEM SOLVING: Reasoning                                Additional Practice 13-4 (191-192)             Answer Key 13-4 Topic 14 – Graph Points on the Coordinate Plane

1.  The Coordinate System                                        Additional Practice 14-1 (pages 193-194)       Answer Key 14-1

2.  Graph Data Using Ordered Pairs                          Additional Practice 14-2 (pages 195-196)          Answer Key 14-2

3.  Solve Problems Using Ordered Pairs                   Additional Practice 14-3 (pages 197-198)           Answer Key 14-3

4.  PROBLEM SOLVING: Reasoning                            Additional Practice 14-4 (pages 199-200)         Answer Key 14-4 Topic 15 – Algebra: Analyze Patterns and Relationships

1.  Numerical Patterns                                                Additional Practice 15-1 (pages 201-202)         Answer Key 15-1

2.  More Numerical Patterns                                        Additional Practice 15-2 (pages 203-204)         Answer Key 15-2

3.  Analyze and Graph Relationships                          Additional Practice 15-3 (pages 205-206)         Answer Key 15-3

4.  PROBLEM SOLVING: Make Sense and Persevere    Additional Practice 15-4 (pages 207-208)         Answer Key 15-4 Topic 16 – Geometric Measurement: Classify 2-Dimensional Figures

1.  Classify Triangles                                                     Additional Practice 16-1 (pages 209-210)               Answer Key 16-1

2.  Classify Quadrilaterals                                              Additional Practice 16-2 (pages 211-212)               Answer Key 16-2

3.  Continue to Classify Quadrilaterals                             Additional Practice 16-3 (pages 213-214)               Answer Key 16-3

4.  PROBLEM SOLVING: Construct Arguments                  Additional Practice 16-4 (pages 215-216)               Answer Key 16-4

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Chapter 5, Lesson 2: Estimating Sums and Differences

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  1. McGraw Hill My Math Grade 5 Chapter 5 Lesson 2 Answer Key ...

    McGraw-Hill My Math Grade 5 Answer Key Chapter 5 Lesson 2 Estimate Sums and Differences One way to estimate is to use rounding. If you round numbers to a lesser place value, you are likely to get an estimate that is closer to the exact answer.

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    What are the benefits of McGraw Hill My Math Grade 5 Answer Key Pdf? Mcgraw hill math grade 5 Volume 1 & 2 answer key pdf covers the sections like assessment test, exercises, practice test, review test, etc.

  3. My Math 5th Grade Chapter 5 Lesson 2 Estimate Sums and ...

    My Math 5th Grade Chapter 5 Lesson 2 Estimate Sums and Differences. One way to estimate is to use rounding. If you round numbers to a lesser place value, you are likely to get an...

  4. McGraw Hill My Math Grade 4 Chapter 2 Lesson 4 Answer Key ...

    McGraw-Hill My Math Grade 4 Answer Key Chapter 2 Lesson 4 Estimate Sums and Differences. Math in My World. Example 1. The Central School District needs 5,481 forks and 2,326 spoons for a school function. About how many forks and spoons will they need altogether? Estimate 5,481 + 2,326. Round to the hundreds place.

  5. Additional Practice 2-2 - Parkway School District

    Sample answers: Rounding, about 72 lb; compatible numbers, about 70 lb. The rounded numbers are closer to the original numbers, so the rounded estimate will be closer to the actual total weight. Lesser amount; Sample answer: There is no room to store the extra mulch, so the gardener should order just the amount he needs. 18 Topic 2 Lesson 2-2

  6. Envision Math Grade 5 Answer Key Topic 2.3 Estimating Sums ...

    Envision Math 5th Grade Textbook Answer Key Topic 2.3 Estimating Sums and Differences. How can you estimate sums? Students are collecting cans of dog food to give to an animal shelter. Estimate the sum of the cans collected in Weeks 3 and 4. Another Example How can you estimate differences? Estimate 22.8 – 13.9. One Way

  7. Mr. Venna - pdesas.org

    I have linked the "Additional Practice" or homework for each Topic/lesson in case students forget their Additional Practice Workbook (APW) at school. The accompanying answer keys are also posted as students become better acclimated to fifth grade math. Topic 1 – Understand Place Value. 1.

  8. Homework - Mrs. McDowell

    Use benchmarks of 0, 1__, and 1 to estimate the sum or 2 difference. Then find the actual sum or difference. 1 7___ 12 + __5 6 Estimate: Sum: 2 4__ 9-___7 18 Estimate: Difference: Solve. Explain how you know your answer is reasonable. 3 Jordan is making a beaded necklace. Two thirds of the beads she uses are red and ___4 of the beads are blue ...

  9. 0015 0016 Gr5 S C01L1HW 115024 - Team Patton

    9. 1 Plan Your Solution Find the approximate height difference between the birdhouse and the tree house. Is it greater than or less than the approximate difference in height between the swing set and the tree house? Round each mixed number to the nearest whole number. 15 - 12 = 3 feet; 12 - 8 = 4 feet; 1 foot less than.

  10. Chapter 5, Lesson 2: Estimating Sums and Differences

    Lesson Resources Extra Examples Group Activity Cards Personal Tutor Self-Check Quizzes. Hotmath Homework Help Math Review ... 1. Chapter 5, Lesson 2: Estimating Sums ...