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It’s all about the Vocab Math Power P.E.M.D.A.S. 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 1pt When asked to find the Value, you are actually asked to find thee _______. 2 Answer 3 9 4 The 4 is the _____ and the 9 is the ______. 4 4 is the base 9 is the exponent 5 What are the 3 key words when talking about the Distributive, Associate, and Commutative Properties? 6 Distributive – Distribute Associative – Grouping Commutative - Order 7 What are the 4 steps to solving a problem we talked about at the beginning of the year? 8 1. Understand the Problem 2. Make a Plan 3. Solve 4. Look Back 9 P.E.M.D.A.S. is the acronym that we use when talking about this section of the book. (1-4) 10 Order of Operations 11 What is 9x9x9x9x9 in exponential form? 12 5 9 13 Evaluate 3 4 14 64 15 9 2 Write as repeated multiplication and solve. 16 2x2x2x2x2x2x2x2x2= 512 17 Find the Values and Solve the Problem: 4 5 __ 3 8 18 625 > 512 19 Find the Values and Solve the Problem: 4 6 __ 6 4 __ 4 8 20 1,296 < 4,906 > 4,096 21 22 ÷ 2 + 20 - 5 = 22 26 23 5x3+8x2= 24 31 25 8 ÷ (1 + 3) x 2 5 –2= 26 48 27 (50 x 4 – 80) ÷ 4 x 6 1 + (2 x 6) = 28 42 29 3 (5 – 2 5+ 50) x 4 (3 ÷ 9) = 30 1,350 31 Use Mental Math to solve: 5 + 25 + 12 = 32 42 33 Show the Associative Property and solve (Show your work): 23 + 46 + 7 + 14 = 34 (23+7) + (46+14) = 90 35 Show an example of what the Commutative Property means by using letters a, b, and c. 36 (a + b) + c = (a + c) + b Or a different combination that represents the same answer. 37 Using the Distribution Property (Show your work), what is: 5 x 57 = 38 5 x (50 + 7) = (250) + (35) = 285 39 Solve using the Distributive Property and show your work: 4 x 66 x 2 = 40 8 x (60 + 6) = (480) + (48) = 528 41 Find the answer and state which method of computation you used: 16 + 2 + 4 + 13 + 5 + 1 + 14 = 42 Paper and Pencil or Mental Math Answer : 55 43 Estimate Before Answering the question to the Nearest Hundred: 2,878 - 920 44 2,900 – 900 = 2,000 45 What are the missing terms, and what is the pattern? 2, 6, 5, 9, 8, __, __, 15. 46 Pattern : +4, -1 th 6 Term - 12 th 7 Term - 11 47 What is 660 ÷ 24? Hint: Be careful how you say your answer ! NO CALCULATORS 48 27.5 or 27 and 1/2 49 Find the Pattern and the Missing Terms: 1, 8, 27, __ , 125, 216, 343, __. 50 Pattern : The Term Number to the Third Power. th 4 Term - 64 th 8 Term - 512 51