7.2.A.06 - The Distance Between Two Rational Numbers - Exit Ticket

Last updated about 4 years ago

2 questions

Two 7th grade students, Monique and Matt, both solved the following math problem: If the temperature drops from 7° F to − 17° F, by how much did the temperature decrease? The students came up with different answers. Monique said the answer is 24° F, and Matt said the answer is 10° F. Who is correct?

Explain, and support your written response with the use of a formula and a vertical number line diagram.

From EngageNY.org of the New York State Education Department. Grade 7 Mathematics Module 2, Topic A, Lesson 6. Internet. Available from https://www.engageny.org/resource/grade-7-mathJmat...; accessed 17/Sept/2015.