Integer Operations

Which addition equation matches the problem modeled below?

• -6 + (-9) = 3
• -6 + 9 = 3
• -6 + 3 = 9
• 9 + (-3) = -6

Tags

CCSS.7.NS.A.1B

Which equation represents the 2-color counters shown in the image if an yellow/orange circle = +1 and a red circle = -1?

• -4 + 5 = -1

• 4 + (-5) = -1

• 4 + (-5)= -9

• -5 - 4 = -9

_{^{Which expression models this diagram?}}

• 3 + -4
• -4 + 3
• 7 + -4
• -4 + 7

Tags

CCSS.7.NS.A.1B

• 4 - 2 = 2
• -4 + 2 = -2
• -4 - 2 = -6
• 4 + 2 = 6

Tags

CCSS.7.NS.A.1B

Which expression best represents the model if a gray circle = -1 and a white circle = +1?

*Hint: Watch out for zero pairs that were used to solve this problem!*

• -3 - 4

• -3 - (-4)

• 3 + (-4)

• 7 - 4

Which expression is represented by the model?

• 5 x -2
• 5 + (-2)
• -5 - 2
• 5 - (-2)

Tags

CCSS.7.NS.A.1C

• -5 - 4 = -1
• -5 + 1 = -1
• -5 + 4 = -1
• 5 + (-4) = 1

Tags

CCSS.7.NS.A.1D

• 3 × (-2) = 6
• 3 × (-2) = -6
• 3 × 2 = 6
• -3 × (-2) = -6

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Which equation is modeled here?

• 4 + 3 = 7

• 4 + (-3) = 1

• -4 + 3 = -1

• -4 + (-3) = -7

• A
• B
• C
• D

Tags

CCSS.7.NS.A.1B