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

When adding integers with the SAME sign, the answer...

• Takes the sign of the bigger number
• Keeps the sign of both

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

Review.
-24(4) 

• -6
• 96
• -96
• 6

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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

0 - 16

• 16
• 0
• -16
• 5

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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

If the temperature drops 5 degrees every hour for 9 hours, which integer represents the change in temperature? 

• 14
• -14
• 45
• -45

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

-10 - 11 =

• 21
• 1
• - 21
• - 1

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

Where would you place the number 9 on the diagram?

• Irrational
• Rational 
• Integer
• Natural 

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

Which answer has the integers in order from least to greatest?

• − 9,   -5,  -3, 0,  4,  3
• − 9,   -5,  -3, 0,  3,  4
• − 5,   -9,  -3, 0,  4,  3
•  3, 4, 0, -3, -5, -9

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

-3 - 9

• 12

• 6

• -12

• -6

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