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Unit 2 Math: The Structure of Numbers

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    Prime/Composite, PEMDAS, Patterns
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  • Simplify the expression.
    72
    34
    18
    44
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  • Simplify the expression.
    2
    45
    12
    14
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  • Simplify the expression.
    72
    6
    13
    38
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  • Simplify the expression.
    10
    66
    24
    3 R 4
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  • Simplify the expression.
    12
    15
    22
    4
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  • Which expression in the equation should be solved first?
    1 + 6
    6 x 5
    5 - 1
    4 + 1
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  • Which expression in the equation should be solved first?
    4 ÷ 6
    3 x 4
    3 x 20
    6 + 20
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  • Which expression in the equation should be solved first?
    4 + 8
    2 - 6
    8 ÷ 2
    6 x 10
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  • Which expression in the equation should be solved first?
    2 + 6
    16 ÷ 2
    7 + 4
    4 x 5
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  • True or False. ALL even numbers are composite.
    True
    False
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  • True or False. 2 is the only even number that is prime.
    True
    False
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  • True or False. 1 is a prime number because it can only be made by 1 x 1.
    False
    True
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  • True or False. All odd numbers are prime.
    True
    False
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  • True or False. If a number greater than 2 can be divided by 2, 3, 5, or 7, it must be composite.
    True
    False
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  • Is 51 prime or composite? Remember the 3, 5, 7 rule!
    Prime
    Composite
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  • Is 17 prime or composite? Remember the 3, 5, 7 rule!
    Prime
    Composite
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