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Jordansmith

QuestionAnswer
1. Estimate. Round to the hundredths place. (2.756+3.895) 1. 6.66
2. Use divisibility rules to tell whether each number is divisible by 2, 3, 4, 5, 6, 9, and 10. (305) 2. 5
3. Multiply. Write answers in simplest form. (5 X 7/5) 3. 5/1 X 7/5 = 7/1 = 7
4. We spent 90 minutes putting together a tree stand. For 2/3 of the time we were trying to get it against the tree. How many minutes did we spend trying to get it against the tree? 4. 90/1 X 2/3 = 60/1 = 60 minutes
5. Is this number prime or composite? (35) 5. Composite = divisible by 5 and 7
6. Write factors of 36. 6. 1 X 36, 2 X 18, 3 X 12, 4 X 9, 6 X 6
7. Find the GCF of 60 and 50. 7. 60= 10 X 6, 10 = 5 X 2, 6= 2 X 3 50= 10 X 5, 10= 5 X 2, 5= 5 The GCF is 5X2= 10
8. Write this decimal as a fraction in simplest form. (.72) 8. 72/100= 18/25
9. Find the least common multiple of 11 and 77. 9. 11= 1X11 77=11X7 1X11X7 LCM= 11
10. Write the decimal as a fraction. (5.43) 10. (5 43/100)
11. The exponential form of 7X7X7X7X7X7X7X7X7X7X7. 11. 7 to the 11th power
12. Compare the integers -7 to 2 12.
13. Write each difference in simplest form 6/12-3/12. 13. 1/4
14. Multiply. Write answers in simplest form. (5X 2/10) 14. 5 X 2/10 = 2/2= 1
15. Multiply 1/6 X 2/5. 15. 1/6 X 2/5 = 1/15
16. Find the reciprocal of 7/8. 16. 8/7
17. Write the prime factorization for 40. 17. 40= 10X4 10= 5X2 4= 2X2 5X2 to the 3 power
18. Find the GCF for 32 and 50. 18. 32= 8X4, 8=4X2, 4= 2X2, 4= 2X2, and then bring down the 2X2X2 50= 10X5 10= 2X5 and bring down the 5 so the GCF is 2
19. Find the missing number that makes the fractions equivalent. 3/9= ?/3 19. 9
20. Write the improper fraction as a mixed number. (9/4) 20. 2 1/4
Created by: blueberry