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Review for Quarter 1 Test 1

Review for Quarter 1 Test 1. I. Base Ten Place- Value System II. Exponents III. Expanded Notation Mental Math with Mult . & Division V. Estimating with Whole Numbers VI. Order of Operations. Estimate: 74,298 + 126,001 ≈. Answer: 70,000 + 130,000 = 200,000.

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Review for Quarter 1 Test 1

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  1. Review for Quarter 1 Test 1 I. Base Ten Place-Value System II. Exponents III. Expanded Notation Mental Math with Mult. & Division V. Estimating with Whole Numbers VI. Order of Operations

  2. Estimate: 74,298 + 126,001 ≈ Answer: 70,000 + 130,000 = 200,000

  3. Evaluate:[8 ÷ (1 + 3) x 52 - 2] ÷ 6 Answer: 8

  4. Give the base:1) ___2 = 6400 2) ___3 = 125,0003) ___4 = 160,000 4) ____ 3 = 8,000,000 Answers: 1) 80 2) 50 3) 20 4) 200

  5. Estimate: 320,176 ÷ 623 ≈ Answer: 300,000 ÷ 600 ≈ 500

  6. Complete the statement. Use +, -, x or ÷. Use the symbol only once. Do not use parentheses.7 ___ 7 ___ 7 ___7 = 14 Answer: 7 + 7 ÷ 7 x 7 = 14

  7. 1012 = Answer: 1,000,000,000,000

  8. 35= Answer: 243 (Remember 35 means repeated multiplication.) 35 = 3 x 3 x 3 x 3 x 3

  9. Estimate: 4,298 x 63 ≈ Answer: 4,000 x 60 ≈ 240,000

  10. What is the value of the 4 in 54,907,112? Answer: 4,000,000

  11. In the number 68,134,754,029, the 6 is in which place-value? Answer: ten billions

  12. 3,000,000 + 6,000 + 500 + 30 + 8 = Answer: 3,006,538

  13. (2 x 108) + (7 x 106) + (1 x 103) + (5 x 100) = Answer: 207,001,005

  14. In 801,692,746, the zero is in which place-value? Answer: ten millions

  15. 72,009,260 written in expanded form using powers of 10 is _______ Answer: (7x107)+(2 x 106)+(9 x 103)+(2 x 102)+(6 x 101)

  16. Compare. Use <, > or =.1) 33___ 252) 10,0000____ 1043) 26 ____ 43 Answers: 1) < 2) < 3) =

  17. Multiply or divide mentally.1) 300 x 400 = 2) 72,000 ÷ 80 =3) 50 x 6,000 = 4) 120,000 ÷ 600 =5) 60 x 900 = 6) 540,000 ÷ 9,000 =7) 110 x 70 = 8) 36,000 ÷ 40 =9) 300 x 500 = 10) 3000 ÷ 150 = Answer: 1) 120,000 2) 900 3) 300,000 4) 200 5) 54,000 6) 60 7) 7700 8) 900 9) 150,000 10) 20

  18. 8___ = 4096 Answer: 4

  19. Use 4, 7, 8 to make the sentence true.____ + ____ x ____ = 36 Answer: 8 + 4 x 7 = 36

  20. 2-- = 64 Answer: 26

  21. The standard form of (2 x 107)+(9 x 104)+(1 x 102)+(6 x 101)is __________ Answer: 20,090,160

  22. Estimate: 52,178 - 3,823 ≈ Answer: 52,000 - 4,000 = 48,000

  23. True or False: 54 =45Explain. Answer: False. 54 = 5x5x5x5=625 45 = 4x4x4x4x4=1024

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