Integer Addition and Subtraction Models

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

Tags

CCSS.7.NS.A.1C

• 8 + (-5) = 3
• -8 + 5 = -3
• 8 + 5 = 13
• -8 + (-5) = -13

Tags

CCSS.7.NS.A.1B

• 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

Tags

CCSS.7.NS.A.1B

• -5 + 3 = -2
• 5 + (-3) = 2
• 5 + 3 = 8
• -5 + (-3) = -8

Tags

CCSS.7.NS.A.1B

• 9 + 4 = 13
• 9 + (-4) = 5
• -9 + 4 = -5
• -9 + (-4) = -13

Tags

CCSS.7.NS.A.1C

• 12 + 15 = 27
• -12 + 15 = 3
• 12 + (-15) = -3
• -12 + (-15) = -27

Tags

CCSS.7.NS.A.1C

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