CCSS.Math.Content.7.NS.A.1

-8 - 8 =

• 16
• 0
• -16
• 9

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CCSS.Math.Content.7.NS.A.1

1-2

• 1
• -1
• 5
• -5

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CCSS.Math.Content.7.NS.A.1

35 - (-35) 
two negatives next to each other make 1 positive
T-CHART
Same signs add
Different signs subtract

• 0
• -70
• 70
• 1

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CCSS.Math.Content.7.NS.A.1

-11 ( -5 )

• 55

• -55

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CCSS.Math.Content.7.NS.A.1

-5/8 - (-15/8)

• 5/4

• -5/4

• 4/5

• -4/5

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CCSS.Math.Content.7.NS.A.1

15 + (- 9)

• 24

• 6

• -6

• -24

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CCSS.Math.Content.7.NS.A.1

14 - 24 = 

• 10
• - 14
• 14
• - 10

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CCSS.Math.Content.7.NS.A.1

Roger owes his mom $5. He borrows another $6 from her. How much does Roger owe his mother?

• $11

• $1

• $6

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CCSS.Math.Content.7.NS.A.1

How does the number change?

(Cómo cambia el número?)

625 ----> 590

• Increase

• Decrease

• Neither (ninguno)

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CCSS.Math.Content.7.NS.A.1

-8 + 3 =

• 5

• -5

• 8

• -8

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CCSS.Math.Content.7.NS.A.1