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Eureka Math Grade 7 Module 2 Lesson 7 Answer Key

Engage ny eureka math 7th grade module 2 lesson 7 answer key, eureka math grade 7 module 2 lesson 7 example answer key.

Example 2. Representing Differences of Rational Numbers on a Number Line Find the following difference, and represent it on a number line: 1 – 2\(\frac{1}{4}\) . a. Answer: Rewrite the difference 1 – 2\(\frac{1}{4}\) as a sum: 1 + (-2 \(\frac{1}{4}\)). Now follow the steps to represent the sum : b. Answer: Place the tail of the arrow on 1.

c. Answer: The length of the arrow is the absolute value of -2 \(\frac{1}{4}\) ; | -2 \(\frac{1}{4}\) |= 2\(\frac{1}{4}\) .

d. Answer: The direction of the arrow is to the left since you are adding a negative number to 1.

Eureka Math Grade 7 Module 2 Lesson 7 Exercise Answer Key

Exercise 4. Find the following sums and differences using a number line model.

Eureka Math Grade 7 Module 2 Lesson 7 Problem Set Answer Key

Represent each of the following problems using both a number line diagram and an equation.

Eureka Math Grade 7 Module 2 Lesson 7 Exit Ticket Answer Key

At the beginning of the summer, the water level of a pond is 2 feet below its normal level. After an unusually dry summer, the water level of the pond dropped another 1\(\frac{1}{3}\) feet.

Question 2. Write an equation to show how far above or below the normal water level the pond is at the end of the summer. Answer: -2 – 1\(\frac{1}{3}\) = -3\(\frac{1}{3}\) or -2 + (-1\(\frac{1}{3}\)) = -3\(\frac{1}{3}\)

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