Rational numbers

A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall change in field position.

• -9 + (-22) = -13
• 9 + (-22) = 13
• 9 + (-22) = -13
• none

Find the difference of 7/10 - 9/10

• 5
• -1/5
• -8/5
• 8/5

The temperature was 3* C on Monday and was 7.5 degrees lower the next day. What was the temperature on Tuesday?

• 10.5* C
• 4.5* C
• -4.5* C
• -10.5* C

-13 - (-4) = 

• -9
• -17
• 9
• -8

Tell whether this sentence is always true, sometimes true, or never true.  (COME UP WITH EXAMPLES BEFORE YOU PICK)

negative - positive = negative

• always true
• sometimes true
• never true

Which number line model represents 5+(-7.5)? Fill in the circle next to the number line you select as your answer

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• 
• 

Which number line model represents -6.5 + 8? Fill in the circle next to the number line you select as your answer

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Select the expression that represents the model. Choose all that apply.

• -7 + 1

• 1 + (-7)

• -1 - 6

• -1 + (-6)