1. Comparing & Ordering Fractions
Week 15 DCA Review
Tenths & Hundredths
Equivalent Fractions
Factors, CF, & GCF
Prime & Composite
Comparing & Ordering Fractions 10 20 30 40 50

2. How would you write 0.08 as a fraction?
Category
Answer

3. 8 100

4. How would you write 0.003 as a fraction?
Category
Answer

5. 3 1000

6. How would you write 0.54 as a fraction?
Answer

7. 54 100

8. How would you write 0.062 as a fraction?
Answer

10. How would you write 5.015 as a fraction?
Answer

11. 5

12. 2 = __
Answer

13. 2 = 8

14. 7 = __
Answer

15. 7 = 56

16. 16 = 4 24
Answer

17. 16 = 4
24 6

18. Which of the following is equivalent to 3/7?
B. 12/28
C. 15/28
D. 15/62
Answer

19. Which of the following is equivalent to 3/7?
B. 12/28
C. 15/28
D. 15/62

20. Which of the following is equivalent to 8/13?
B. 16/39
C. 24/39
D. 32/39
Answer

21. Which of the following is equivalent to 8/13?
B. 16/39
C. 24/39
D. 32/39

22. Which list shows the factors of 36?
B. 1,2,3,4,7,9,12,18,36
C. 1,3,4,6,9,12,18,36
D. 1,2,3,4,6,9,12,18,36
Answer

23. Which list shows the factors of 36?
B. 1,2,3,4,7,9,12,18,36
C. 1,3,4,6,9,12,18,36
D. 1,2,3,4,6,9,12,18,36

24. What are the common factors of 12 and 36?
B. 1,2,3,4,6,12
C. 1,2,3,4,6
D. 1,2,4,6,9,12,36
Answer

25. What are the common factors of 12 and 36?
B. 1,2,3,4,6,12
C. 1,2,3,4,6
D. 1,2,4,6,9,12,36

26. What are the common factors of 18 and 24?
B. 1,2,3,6
C. 1,2,3,6,8
D. 2,3,6,8
Answer

27. What are the common factors of 18 and 24?
B. 1,2,3,6
C. 1,2,3,6,8
D. 2,3,6,8

28. What is the GCF of 18 and 36?
A. 9
B. 6
C. 12
D. 18
Answer

29. What is the GCF of 18 and 36?
A. 9
B. 6
C. 12
D. 18

30. What is the GCF of 24 and 50?
A. 10
B. 5
C. 2
D. 8
Answer

31. What is the GCF of 24 and 50?
A. 10
B. 5
C. 2
D. 8

32. Which list contains only prime numbers?
D. 5,7,15,17
Answer

33. Which list contains only prime numbers?
D. 5,7,15,17

34. Which list contains only composite numbers?
D. 13,19,23
Answer

35. Which list contains only composite numbers?
D. 13,19,23

36. Give the definition of a prime & composite number
Answer

37. Prime Number: A number that only has two factors, 1 and itself
Prime Number: A number that only has two factors, 1 and itself. Composite Number: A number that has more than two factors.

38. What is the 5th prime number?
Answer

39. 2,3,5,7,11

40. Sing the first 11 prime numbers through 31
Answer

41. To the tune of Jingle Bells…
2,3,5,7,11,13,17,19,23,29,31 Hey!

42. A. 1/3 < 2/9 B. ¾ > 12/16 C. 5/6 > 10/18 D. ¾ < 9/16
Which of these is correct?
A. 1/3 < 2/9
B. ¾ > 12/16
C. 5/6 > 10/18
D. ¾ < 9/16
Answer

43. A. 1/3 < 2/9 B. ¾ > 12/16 C. 5/6 > 10/18 D. ¾ < 9/16
Which of these is correct?
A. 1/3 < 2/9
B. ¾ > 12/16
C. 5/6 > 10/18
D. ¾ < 9/16

44. A. 2/3 < 9/12 B. 1/3 > 9/12 C. 2/3 = 9/12 D. ¾ < 6/16
Which of these is correct?
A. 2/3 < 9/12
B. 1/3 > 9/12
C. 2/3 = 9/12
D. ¾ < 6/16
Answer

45. A. 2/3 < 9/12 B. 1/3 > 9/12 C. 2/3 = 9/12 D. ¾ < 6/16
Which of these is correct?
A. 2/3 < 9/12
B. 1/3 > 9/12
C. 2/3 = 9/12
D. ¾ < 6/16

46. Which of these fractions is the greatest?
B. 5/6
C. 7/9
D. 5/36
Answer

47. Which of these fractions is the greatest?
B. 5/6
C. 7/9
D. 5/36

48. Put these fractions in order from greatest to least
B. 3/12, ½, ¾, 5/6
C. ¾, 3/12, 5/6, 1/2
D. ½, ¾, 5/6, 3/12
Answer

49. Put these fractions in order from greatest to least
B. 3/12, ½, ¾, 5/6
C. ¾, 3/12, 5/6, 1/2
D. ½, ¾, 5/6, 3/12

50. Put these fractions in order from least to greatest
B. 1/8, 9/16, ¾,11/16
C. 1/8, 9/16, 11/16, 3/4
D. ¾, 11/16, 9/16, 1/8
Answer

51. Put these fractions in order from least to greatest
B. 1/8, 9/16, ¾,11/16
C. 1/8, 9/16, 11/16, 3/4
D. ¾, 11/16, 9/16, 1/8