Math Rocks Integers

-25 + (-7)

• 18

• -18

• 32

• -32

• None of these

9 + 16

• 25

• -25

• 7

• -7

• None of these

If you are adding 2 negative numbers, will your answer be positive or negative?

• negative

• positive

Use the number line to find the sum.
3 + (-12) =

• -9

• 9

• -15

• 15

1 + -9

• -8

• 9

• 8

• 1

Negative + Negative = ??

• Positive

• Negative

• It Depends

What equation is modeled?

• 15 + 25 = -10

• 15 + -25 = -10

• -10 + 15 = -10

• -25 + 15 = -10

• 7
• 5
• -7
• -5

Look at the number line.

• –2 + 4 =  –2

• –2 + (–4) =  –6

• 4 + (–6) =  –2

• 4 + (–2) =  6

Use the counters to find the sum of the integers. 

• -5

• -7

• 5

• 7