Dividing Integers

Question 1

The temperature in Chicago, Illinois, was recorded one night. Over a three-hour span, the temperature fell 12ºF. What integer represents the average change in temperature per hour? ºF

Revolt · Accepted Answer

PENDING

Question 2

Check all that you considered in your response.

Revolt · Accepted Answer

Maria starts at zero.; The arrows should point in the positive direction.; There should be three small arrows representing 3 bounces of 4 units.

Question 3

Explain how she can use the number line to model the division.

Revolt · Accepted Answer

Maria should start at 0 and then make “bounces” of 4 to the right until landing at 12. She will make 3 bounces of 4 because 12 divided by 4 is 3.

Question 4

ºF each hour.

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PENDING

Question 5

Question 5

Revolt · Accepted Answer

Start with 15 negative tiles. Separate the tiles into 3 equal groups. Each group will have 5 negative tiles, so -15 divided by 3 is -5.

Question 6

Rashan says that –6 ÷ 2 = -3. Which multiplication expression can he use to check his answer?

Revolt · Accepted Answer

–3(2)

Question 7

Which division problems below have the same quotient as –27 ÷ 9? Check all that apply.

Revolt · Accepted Answer

18 ÷ (–6); 27 ÷ (–9); –9 ÷ 3

Question 8

Explain why the average temperature change was –5ºF per hour.

Revolt · Accepted Answer

The temperature fall can be represented by −10. To find the average change per hour, divide −10 by 2. −10 divided by 2 is −5.

Question 9

A mountain climber took 2 minutes to rappel down 60 feet. Which equation shows the correct calculation to show his movement per minute?

Revolt · Accepted Answer

–60 ÷ 2 = –30

Question 10

Check all that you considered in your response.

Revolt · Accepted Answer

Start with the number of tiles represented by the dividend.; Separate the tiles into the number of groups represented by the divisor.; Count the number of tiles in each group.

Dividing Integers Answers

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