7th Grade Number Sense

The elevation of the surface of the Dead Sea is about -424.3 meters. In 2005, the height of Mt. Everest was about 8,844.4 meters. How much higher was the peak of Mt. Everest than the surface of the Dead Sea?

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CCSS.7.NS.A.3

The outside temperature at midnight was 3.4 degrees C. The temperature then changed at a constant rate of -0.78 degrees C per hour for 8 hours. What was the outside temperature at 8:00 am?

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CCSS.7.NS.A.3

What is the fraction 3/8 written as a decimal?

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CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Which expression has the least value when x =100?

• $\frac{1}{x}$

• $\frac{10}{x}$

• $1-x$

• $10-x$

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CCSS.6.EE.A.2C

Kevin is paid $8.80 per hour. He worked 7 hours. He gave his mother 1/4 of his

earnings. How much did Kevin have left? (Note: Express the answer as dollars.cents.)

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CCSS.7.NS.A.3

Craig earns the same amount of money each month. His telephone bill is 1/20 his monthly earnings, and he pays a total of $720 each year for his telephone service. How much does Craig earn each month, in dollars?

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CCSS.7.EE.B.3

What is the value of -3/4 - (-3/8)?

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CCSS.7.NS.A.1C

Which number on the number line is the same distance from -5 as is 3?

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CCSS.6.NS.C.6C

Which expression is equivalent to 14 - 9?

• -14 + 9

• -14 - 9

• 14 + (-9)

• 9 - (-14)

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CCSS.7.NS.A.1B

Which statement is true based on the given number line?

• A + D > C

• B + D > C

• D - C = B

• D - B < C

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CCSS.7.NS.A.1B