Modeling Adding and Subtracting Integer Operations

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

Tags

CCSS.7.NS.A.1D

• -4 + 5
• 4 + 5
• 4 + (-5)
• -4 + (-5)

Tags

CCSS.7.NS.A.1C

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

Tags

CCSS.7.NS.A.1B

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

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

• 4 + 3 = 1
• 4 + (-3) = 1
• -4 + 3 = -1
• -4 + (-3) = -1

Tags

CCSS.7.NS.A.1B

Look at the number line.

• –2 + 4 =  –2

• –2 + (–4) =  –6

• 4 + (–6) =  –2

• 4 + (–2) =  6

Tags

CCSS.7.NS.A.1B

Choose the equation that best represents the model.

• 2 + (–6) =  –4

• 0 – 6 = –6

• –6 + 8 = 2

• 8 + (–6) = 2

Tags

CCSS.7.NS.A.1B

What is a zero pair? 

• Two negatives

• Two positives

• One negative, one positive

Tags

CCSS.7.NS.A.1B

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

• 5 x 3 = 15

• 5 x (-3) = 15

• 5 x (-3) = -15

• -5 x (-3) = -15

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B