Answer key · Set A
Out of a Hundred
140 The top group is 4 rows of 10 = 40 stickers out of 100, which is 40 percent.
270% 7 of 10 parts is 70 out of 100, so 70 percent.
345 out of every 100 Percent means out of 100.
41-B, 2-C, 3-A, 4-D 50 out of 100 is one half. 25 out of 100 is one fourth. 10 out of 100 is one tenth. 75 out of 100 is three fourths.
5B 30% is 3 tenths, so 3 of 10 parts are shaded.
6240 1 percent of 400 is 4, so 60 percent is 60 × 4 = 240.
7175 35 percent is 30 percent and 5 percent: 150 + 25 = 175.
8False 20 percent is 20 out of 100, one fifth. One fifth of 50 is 10.
9279 10 percent is 31, so 90 percent is 9 × 31 = 279.
1034.2 76 percent of 45 is 0.76 × 45 = 34.2, which is $34.20.
11140 80 percent is 112, so 20 percent is 28. All 100 percent is 5 × 28 = 140.
1230 60 percent is 18, so 10 percent is 3. 100 percent is 30 dollars.
13Your own words: a grown-up reads it.
Mark each answer, count the right ones and write the score on the sheet.