TEKS.MATH.7.3A

-9 + 9

• 18
• -18
• 0
• 81

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TEKS.MATH.7.3A

3 - 2a + 3a + 5a

• 5a+3
• 5a-3
• 6a + 3
• 8a+3

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TEKS.MATH.7.3A

-12n - (-13n)

• -25n
• 25n
• n
• -n

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TEKS.MATH.7.3A

Which expression is represented by the model below?

• -4(-5)
• 4(-5)
• (-4)5
• 4x5

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TEKS.MATH.7.3A

Emily is a diver. Today she descended to a depth of 40 feet below sea level. Then she swam up 10 feet and descended another 4 feet. How far below sea level is Emily now?

• -34 feet
• -54 feet
• 54 feet
• -26 feet

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TEKS.MATH.7.3A

Simplify:  54y¹⁰ ÷ 6y⁵

• ⁹y¹⁵
• y⁵⁰
• 9y²
• 9y⁵

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TEKS.MATH.7.3A

The high temperature Monday was 4 degrees. The low temperature was -7 degrees. What is the difference between the high and low temperatures?

• 3 degrees
• 12 degrees
• 11 degrees
• 10 degrees

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TEKS.MATH.7.3A

Review. (Proportions Word Problems)
The currency in China is the Yuan. If $1 is equal to 8 Yuan, how many Yuan would you get for $2?

• 4 Yuan
• 3 Yuan
• 16 Yuan
• 12 Yuan

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TEKS.MATH.7.3A

solve
19  + a  =  -50

• a = -950
• a =  -69
• a = -31
• a = -50/19

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TEKS.MATH.7.3A

Which decimals is the greatest. 
1.4, 1.40, 9.02, 0.77

• 1.4
• 9.02
• 0.77

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TEKS.MATH.7.3A