Adding Integers

Question 1

Ken’s predicted temperature for September is ºC

Revolt · Accepted Answer

16

Question 2

Check all that you included in your response.

Revolt · Accepted Answer

A drop in temperature is a decrease.; A decrease means to add a negative amount.; A negative number is needed to determine a lower predicted temperature.

Question 3

Use the number line interactive tool to determine the predicted temperature in May. What is Ken’s temperature prediction for May?14ºC✔ 8ºC 6ºC–14ºC

Revolt · Accepted Answer

✔ 8ºC

Question 4

Check all that you included in your response.

Revolt · Accepted Answer

Moving left on the number line means a decrease in temperature.; The temperature increased 2 degrees.; The increase in temperature means addition.; Adding a positive integer means moving to the right on the number line.

Question 5

[6 + 3] + 5 = 14(–5) + [3 + 6] = –4[(–5) + (–3)] + 6 = –25 + [(–6) + (–3)] = –4[6 + (–5)] + (–3) = –2[(–5) + 6 ] + (–3) = 4

Revolt · Accepted Answer

[(–5) + (–3)] + 6 = –2; [6 + (–5)] + (–3) = –2

Question 6

The actual low temperature in December was ºC.

Revolt · Accepted Answer

-2

Question 7

What property did Bill use?associative property✔ commutative propertydistributive propertyidentity property

Revolt · Accepted Answer

✔ commutative property

Question 8

What is the error in Aaron’s reasoning?

Revolt · Accepted Answer

The negative signs were switched.

Question 9

Check all that you included in your response.

Revolt · Accepted Answer

The temperature started at positive 29 degrees.; The temperature fell 29 degrees, which is represented by negative 29.; 29 and -29 are opposites, so their distance from zero is the same.

Adding Integers Answers

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