Integer Rules

 $-18\ +\ 13$  

• 31

• -31

• 5

• -5

Tags

CCSS.7.NS.A.1C

 $7\ -\ \left(-25\right)$  

• 18

• -18

• 32

• -32

 $-9\ \cdot\ -13$  

• 117

• -117

• 97

• -97

 $190\ \div\ -5$  

• 30

• 38

• -30

• -38

When adding two numbers, how can you tell if your answer will be positive or negative?

• The number that is bigger

• You can decide

• The number that has the bigger absolute value

• The number that is first

If you multiplied 3 numbers that were all negative, what would the answer be?

• Positive

• Negative

• Umm...

If you multiplied -1 by itself 42 times, the answer would be:

• 1

• -1

• 0

• 42

 $4\ +\ \left(-2\right)\ +\ \left(-13\right)$  

• -15

• -19

• -11

• -13

 $-144-87$  

• -231

• 57

• -57

• 231

 $7\ \times\ -9\ \times\ 3$  

• 189

• 168

• -189

• -176