Integer Operations and Models

Mrs. DiPaolo owed Ms. Cornette $29 dollars for sub sandwiches. Then, she ordered some wrapping paper from her for $13. How much in debt is Mrs. DiPaolo to Ms. Cornette?

• 29 + 13 = $42

• 29 - 13 = $16

• -29 + -13 = $-42

• Ms. Cornette should just give it all to Mrs. DiPaolo for free.

Tags

CCSS.7.NS.A.1C

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 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

• 5 × 2 = 10
• -5 × 2 = 10
• 5 × (-2) = -10
• -5 × (-2) = -10

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

• -15 - 5 = -10
• -15 - 5 = -20
• 15 - 5 = 20
• -15 - (-5) = -20

Tags

CCSS.7.NS.A.1B

• -7 - 4 = -28
• 7 x 4 = 28
• 7 x (-4) = -28
• -7 x (-4) = -28

Tags

CCSS.7.NS.A.1B

7 + 10 = 3

-7 + 10 = 3

-7 - 10 = 3

-7 + 3 = 10

• 7 + 10 = 3

• -7 + 10 = 3

• -7 - 10 = 3

• -7 + 3 = 10

Tags

CCSS.7.NS.A.1B

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

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

• a

• b

• c

• d

Tags

CCSS.7.NS.A.1B