Integer Models

Which addition equation matches the problem modeled below?

• -5 + -3 = -2

• -2 + -3 = -5

• -2 + 3 = -5

Which addition equation matches the problem modeled below?

• -6 + -9= 3
• -6 + 9 = 3
• -6 + 3 = 9

Tags

CCSS.7.NS.A.1B

Which subtraction equation matches the model?

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

Which equation represents the 2-color counters shown in the image?

Yellow +

Red -

• 4 + 1 = 5

• 4 + (-1) = 5

• 4 + (-1) = 3

• -4 + 1 = -3

Which addition equation matches the problem modeled below?

Yellow +

Red -

• -2 + -4 = -6

• 2 + -4 = -2

• 4 + 2 = 6

• -4
• 10
• 3
• 4

Tags

CCSS.7.NS.A.1C

• -6 - (-2) = -4
• 6 + -2 = 4 
• 4 + 2 = 6
• 12-8=4

Tags

CCSS.7.NS.A.1B

Which number sentence is represented by this model?

• 5 x 3 = 15
• 5 x (-3) = 15
• 5 x (-3) = -15
• -5 x (-3) = -15

Which number sentence is represented by this model?

• 5 x (–4) =  –20
• 5 x 4 =  –20
• –5 x 4 =  20
• –5 x (–4) =  20

Which number sentence is represented by this model?

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

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B