2. Review for Quarter 1 Test 1 I. Base Ten Place-Value System II. Exponents III. Order of Operations IV. Expanded Notation

3. Evaluate: [8 ÷ (1 + 3) x 5 2 - 2] ÷ 6 Answer: 8

4. Answer: 230.7068 200 + 30 +.7 +.006 +.0008

5. Give the base: 1) ___ 2 = 6400 2) ___ 3 = 125,000 3) ___ 4 = 160,000 4) ____ -4 = 1 81 5) ____ 3 = 8,000,000 6) ____ -2 = 1 25 Answers: 1) 80 2) 50 3) 20 4) 3 5) 200 6) 5

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. 10 12 = Answer: 1,000,000,000,000

8. 35=35= Answer: 243 (Remember 3 5 means repeated multiplication.) 3 5 = 3 x 3 x 3 x 3 x 3

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

10. 2 -5 = Answer: 1 32

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 +.1 +.004 +.0002 = Answer: 3,006,538.1042

13. (2 x 10 8 ) + (7 x 10 6 ) + (1 x 10 3 ) + (5 x 10 0 ) = 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: (7x10 7 )+(2 x 10 6) +(9 x 10 3 )+(2 x 10 2 )+(6 x 10 1 )

16. Compare. Use or =. 1) 3 3 ___ 2 5 2) 10,000 0 ____ 10 4 3) 2 6 ____ 4 3 Answers: 1) < 2) < 3) =

17. The standard form of (7 x 10 0 )+(3 x 10 -2 )+(1 x 10 -3 )+ (5 x 10 -5 )+ (6 x 10 -6 ) is __________ Answer: 7.031056

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: 2 6

21. The standard form of (2 x 10 7 )+(9 x 10 4 )+(1 x 10 2 )+(6 x 10 1 ) is __________ Answer: 20,090,160

22. True or False: 5 4 =4 5 Explain. Answer: False. 5 4 = 5x5x5x5=625 4 5 = 4x4x4x4x4=1024