TEKS.MATH.7.3A

Which expression is equivalent to 15x + 10 - 6x - 1?

• 9x + 9
• 18x
• 15x - 3
• 9x + 11

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TEKS.MATH.7.3A

When multiplying or dividing a NEGATIVE and POSITIVE number your result will be...

• Positive
• Negative
• Depends on which is bigger.

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TEKS.MATH.7.3A

Solve:
(-2)(-1)(-3)(-4)(-1)

• -11
• 24
• -24
• 11

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TEKS.MATH.7.3A

x³y/xy⁵

• x²y⁴
• x³y⁴
• x²/y⁴
• x²/y⁵

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TEKS.MATH.7.3A

-5(-x + 3) 

• 5x + 15
• 5x - 15
• 5 - 3x
• 3x + 5

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TEKS.MATH.7.3A

A submarine is 150 below sea level while an airplane is 375 above sea level.  What is the difference between the height of the submarine and the airplane?

• -525
• 525
• 325
• -325

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TEKS.MATH.7.3A

Change this improper fraction into a mixed number:
47/5
^{_{(Use your multiplication chart)}}

• 9 ⅖
• 8  7/5
• 9 ⅕
• 8 ⅚

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TEKS.MATH.7.3A

Another way to think of 35 x 9 is

• 35 + 35 + 35

• (35 + 35 + 35 ) + ( 35 + 35 +35)

• (35 + 35 +35) + (35 + 35 + 35)

  + (35 + 35 + 35)

• (35 + 35 +35) + ( 35 + 35 + 35)

  + (35 + 35 + 35 ) + (35 + 35 + 35)

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TEKS.MATH.7.3A

Expand and simplify -(2y - 1).

• -2y + 1

• -2y - 1

• 2y + 1

• 2y - 1

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TEKS.MATH.7.3A

3b + 6b = 63

• -7

• 9

• 7

• 21

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TEKS.MATH.7.3A