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Test #1 A

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  • 8.
    35 pencils
  • 9.
    $16.45
  • 19.
    15
  • 12.
    n=742
  • 10.
    168
  • 17.
    125
  • Question 1
    6 + 12=18, 12 +6=18, 18-12=6, 18-6=12
  • 15.
    27,336
  • What does the Commutative Property of Addition say?
    The order of the addends does not change the sum
  • How do know what order to perform operations?
    When we begin, we begin together....
  • How do we solve for the variable?
    1. Find the variable 2. Do the inverse 3. What we do to one side, we have to do to the other side
  • 13.
    3444
  • 18
    x=17
  • 3.
    5268
  • 7.
    8 groups
  • What does Commutative Property of Multiplication say?
    The order of the factors does not change the product
  • 11.
    m=53
  • 4.
    $2.15
  • 5.
    $7.00
  • 16.
    1202
  • 6.
    40 quarters
  • 2.
    5 X 15=75, 15 X 7= 75, 75/7=15, 75/15=7
  • 14.
    27,024
  • 20.
    12
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