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

-8 + 20

• -28
• 28
• 14
• 12

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

The temperature at 6:00 was 9 degrees below zero.  The temperature dropped to 11 degrees below zero at 8:00. What is the difference between temperatures? 

• 18 degrees
• 20 degrees
• 2 degrees
• 0 degrees

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

CCSS.Math.Content.7.NS.A.3

5 - (-15) =

• 20
• - 20
• 10
• - 10

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

2 - (-2) = 

• 0
• 4
• -4
• -2

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

Use the number line to find the sum.
3 + (-12) =

• -9
• 9
• -15
• 15

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

When you add opposites, what do you get?

• 0
• A negative number
• Attraction
• You cannot add opposites

Tags

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

 (-7 ⅗) - 8 ⅛

• - 19/40
• 16 29/40
• -15 29/40
• other

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

2/5 + (-4/3)

• 15/14

• -14/15

• -15/14

• 14/15

Tags

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

Solve

• -5 and 3/4

• 5 and 3/4

• 3/4

• -3/4

Tags

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

CCSS.Math.Content.7.NS.A.3

When adding rational numbers with the same sign, you must:

• Subtract and keep the sign of the biggest number

• Add together and keep the sign

• Keep, change, switch

• Add the opposite

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