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It’s all about the Vocab
Eleanor M. Savko It’s all about the Vocab Math Power P.E.M.D.A.S. 12/6/2018 Mental Math ? 5 pt 5 pt 5 pt 5 pt 5 pt 10 pt 10 pt 10 pt 10 pt 10 pt 15 pt 15 pt 15 pt 15 pt 15 pt 20 pt 20 pt 20 pt 20 pt 20 pt 25 pt 25 pt 25 pt 25 pt 25 pt
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When asked to find the Value, you are actually asked to find thee _______.
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Answer
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49 The 4 is the _____ and the 9 is the ______.
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4 is the base 9 is the exponent
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What are the 3 key words when talking about the Distributive, Associative, and Commutative Properties?
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Distributive – Distribute Associative – Grouping Commutative - Order
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What are the 4 steps to solving a problem we talked about at the beginning of the year?
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1. Understand the Problem 2. Make a Plan 3. Solve 4. Look Back
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P.E.M.D.A.S. is the acronym that we use when talking about this section of the book. (1-4)
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Order of Operations
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What is 9x9x9x9x9 in exponential form?
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95
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Evaluate 43
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64
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Write 29 as repeated multiplication and solve.
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2x2x2x2x2x2x2x2x2= 512
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Find the Values and Solve the Problem: 54 __ 83
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625 > 512
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Find the Values and Solve the Problem: 64 __ 46 __ 84
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1,296 < 4,906 > 4,096
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22 ÷ =
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26
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5 x x 2 =
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31
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8 ÷ (1 + 3) x 52 – 2 =
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48
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(50 x 4 – 80) ÷ 4 x 16 + (2 x 6) =
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42
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(53 – ) x (34 ÷ 9) =
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1,350
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Use Mental Math to solve: 5 + 25 + 12 =
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42
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Show the Associative Property and solve (Show your work): 23 + 46 + 7 + 14 =
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(23+7) + (46+14) = 90
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Show an example of what the Commutative Property means by using letters a, b, and c.
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(a + b) + c = (a + c) + b Or a different combination that represents the same answer.
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Using the Distribution Property (Show your work), what is: 5 x 57 =
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5 x (50 + 7) = (250) + (35) = 285
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Solve using the Distributive Property and show your work: 4 x 66 x 2 =
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8 x (60 + 6) = (480) + (48) = 528
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Find the answer and state which method of computation you used:
=
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Paper and Pencil or Mental Math Answer : 55
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Estimate Before Answering the question to the Nearest Hundred:
2,878 920
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2,900 – 900 = 2,000
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What are the missing terms, and what is the pattern
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Pattern : +4, -1 6th Term - 12 7th Term - 11
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What is 660 ÷ 24. Hint: Be careful how you say your answer
What is 660 ÷ 24? Hint: Be careful how you say your answer ! NO CALCULATORS
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27.5 or 27 and 1/2
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Find the Pattern and the Missing Terms: 1, 8, 27, __ , 125, 216, 343, __.
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Pattern : The Term Number to the Third Power
Pattern : The Term Number to the Third Power. 4th Term th Term - 512
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