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Review for Quarter 1 Test 1

Review for Quarter 1 Test 1. I. Base Ten Place-Value II. Exponents III. Expanded Notation Estimating Whole Numbers V. Order of Operations. Estimate: 74,298 + 126,001 ≈. Answer: 70,000 + 130,000 = 200,000. Evaluate: [8 ÷ (1 + 3) x 5 2 - 2] ÷ 6. Answer: 8.

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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 II. Exponents III. Expanded Notation Estimating Whole Numbers V. 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. Estimate: 320,176 ÷ 623 ≈ Answer: 300,000 ÷ 600 ≈ 500

  5. 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

  6. 1012 = Answer: 1,000,000,000,000

  7. 35= Answer: 243

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

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

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

  11. 3,000,000 + 6,000 + 500 + 30 + 8 = Answer: 3,006,538

  12. (2 x 108) + (7 x 106) + (1 x 103) + (5 x 100) = Answer: 207,001,005

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

  14. 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)

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

  16. The standard form of 34 and 3-4 are ______ of each other. Answer: reciprocals

  17. ___3 = 343 Answer: 7

  18. 2-- =1/64 Answer: 2-6

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

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

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

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