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

A 78 gram sample of Uranium loses half of its mass each year.  How much is left after 6 years?

• 13 grams
• 6.5 grams
• 1.22 grams
• 592.31 grams

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

5²

• 16
• 25
• 20
• 10

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

4 x 4

• 14
• 8
• 12
• 16

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

12 x 12

• 24
• 121
• 144
• 132

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

If a = 6 and b = 7,find the value of 15-a-b.

• 2
• 3
• 4
• 5

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

7 x 8

• 64
• 56
• 49
• 54

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

-3(-4)

• -12
• 7 
• -7
• 12

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

Simplify the complex fraction.

• 82
• 1/82
• 41/50
• 50/41

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

When you multiply or divide and signs are the same, you get a...

• Positive

• Negative

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

Find the loss of an item that cost $190 and sold for $175.

• $25

• $15

• -$15

• $30

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