TEKS.MATH.7.3A

5(a + 6)

• 5a + 6
• a + 30
• 5a + 30
• 5a - 30

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TEKS.MATH.7.3A

5y + 4(3 - 2y) + 6 - y

• -4y + 18
• 12y + 18
• -9y + 12
• 4y + 16

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TEKS.MATH.7.3A

Simplify.
2^-3 ⋅ 2^-4

• ¹/₁₂₈
• 2^-7
• 2¹²
• 2⁷

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TEKS.MATH.7.3A

³⁄₄ ÷ ¹⁄₂ =

• ³⁄₂
• ⁶⁄₈
• ³⁄₈
• ¹⁄₂

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TEKS.MATH.7.3A

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

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TEKS.MATH.7.3A

Maria went to the grocery store to buy milk.  She paid $2.59 for the milk.  If she paid using a $10 bill, how much change did she get back?

• 7.41
• 2.49
• 12.59
• 13.41

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TEKS.MATH.7.3A

(3x + 5) + (2x + 3)

• 6x + 15
• 6x + 8
• 5x + 8
• 5x + 15

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TEKS.MATH.7.3A

Distribute:

7(3x - 4)

• 21x - 28

• 21x - 4

• 21x + 28

• 21x + 4

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TEKS.MATH.7.3A

8/21 + (-10/21)

• 2/21
• -2/21
• 18/21
• 10/21

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TEKS.MATH.7.3A

a number increased by eighteen

• 18n

• n+18

• 18-n

• 18/n

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TEKS.MATH.7.3A