Ch. 8 Practice Test Key
Ch. 8 Practice Test Key
**Answer listed going down each column

1.  5/8, 1/3, 3/12
2.  12: 1,2,3,4,6,12     32: 1,2,4,8,16,32     18: 1,2,3,6,9,18
3.  Prime: a whole number with only 2 factors, 1 and itself, Composite: a whole number with more than       2 factors
4. Pictures will vary. Examples:

Image result for 2/3 2/3     Image result for 4/7 4/7     Image result for 1/101/10

5.  4: 0,4,8,12,16     9: 0,9,18,27,36     12: 0.,12,24,36,48
6: Prime: 2,2,5,7,23,41,43  Composite: 4,6,8,9,10,21,22,24,25,26,27,28,30,33,52,76,81,92
7.  Answers will vary. Some possibilities are:
     1/3: 2/6, 3/9, 4/12,...     2/9: 4/18, 10/40, 20/90,...     4/10: 2/5, 8/20, 12/30,...
8. 9/12 = 3/4, 2/3 is not = to 6/10, 15/18 is not equal to 5/7, 3/8 = 15/40
9. 3/5, 3/5, 7/10, 3/8
10: 1/4=7/28, 6/10=3/5, 90/100=9/10, 5/8=45/72
11. 5/7-yes, 6/14-no, 2/8-no, 7/28-no
12. 2/3 > 3/5, 4/6 = 8/12, 3/9 > 2/8, 1/2 > 5/11
13. 3/4, 2/3, 5/12
14. 6/30 are basketballs, Simplest form is 1/5
15. She hiked the furthest on the 2nd day
16.  Flour: 3/4, Yeast: 1/8, Salt: 1/12