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Exit Slip: Distance between numbers

Last updated about 5 years ago
3 questions
Two Grade 7 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.
1

Show the distance between 7°F to −17°F on a vertical number line,

1

Write a forumla to show the distance (using subtraction and absulate value)

1

Monique said the answer is 24°F, and Matt said the answer is 10°F. Who is correct?