Integer Operations Review

When you add integers with the same sign like (-2) + (-5), you...

• Add the values and keep the sign: (-2) + (-5) = -7

• Subtract the values: (-2) + (-5) = -3

• Multiply

• Divide

Tags

CCSS.7.NS.A.1C

When adding integers with different signs, like (-10) + 2, you must

• Find the difference (-10) + 2 = -8

• Add the values (-10) + 2 = -12

• Multiply

• Divide

Tags

CCSS.7.NS.A.1C

We can change subtraction into addition. Which is equivalent to -12 - 3 ?

• -12 + (-3)

• -12 + 3

• 12 + 3

• 12 - 3

Tags

CCSS.7.NS.A.1B

50 ÷ -10

• -5
• 5
• 40
• -40

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

 $\left(-5\right)\left(7\right)$  

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

The Gazelle football team made 5 plays in a row where they gained 3 yards on each play. Then they had 2 plays in a row where they lost 12 yards on each play. What is the TOTAL CHANGE in their field position from where they started?

• Lost 9 yards

• Gained 9 yards

• Lost 39 yards

• Gained 39 yards

Tags

CCSS.7.NS.A.3

On Saturday, Mrs. Korenchen bought 7 pairs of socks for $3 each and a sweater for her dog for $12. Then she found a $5 bill on the sidewalk!! Over the course of Saturday, what was the change in the amount of money Mrs. K had?

• -$28

• -$38

• $28

• $38

Tags

CCSS.7.NS.A.3

Find the value of the expression.

 $4\left(-8\right)+3$  

• -29

• -1

• 35

• -35

Tags

CCSS.7.NS.A.3

Find the value of the expression.

 $7\left(-3\right)-6$  

• -21

• 15

• -2

• -27

Tags

CCSS.7.NS.A.3

Arlene has a gift card for the local lawn and garden store. She uses the gift card to rent a tiller for 4 days. It costs $35 a day to rent the tiller. She also buys a rake for $9. What expression for the change in value of her gift card.

• -4(-35) + 9

• 4(35) + 9

• 4(35) - (-9)

• 4(-35) - 9

Tags

CCSS.7.NS.A.3