Answer key · Set B
Percent of a Number
130 The top group is 3 rows of 10 = 30 cards out of 100, which is 30 percent.
290% 9 of 10 parts is 90 out of 100, so 90 percent.
38 out of every 100 Percent means out of 100. So 8 percent is 8 out of every 100.
4A 60% is 6 tenths, so 6 of 10 parts are shaded.
51-D, 2-A, 3-C, 4-B 1/5 is 20 out of 100. 1/20 is 5 out of 100. 2/5 is 40 out of 100. 9/10 is 90 out of 100.
660 1 percent of 200 is 2, so 30 percent is 30 × 2 = 60.
7135 45 percent is 40 percent and 5 percent: 4 × 30 + 15 = 135.
8True 10 percent is one tenth. One tenth of 70 is 7.
990 1 percent of 250 is 2.5, so 36 percent is 36 × 2.5 = 90.
1018.2 35 percent of 52 is 0.35 × 52 = 18.2, which is $18.20.
1150 90 percent is 45, so 10 percent is 5. All 100 percent is 10 × 5 = 50 dollars.
1290 70 percent is 63, so 10 percent is 9. 100 percent is 10 × 9 = 90.
13Your own words: a grown-up reads it.
Mark each answer, count the right ones and write the score on the sheet.