1. Name __________________________________ Date ______________________
Mrs. Labuski & Mrs. Rooney Period _______ L8-8 Percents, Fractions, Decimals
Writing Decimals as Percents: 0.05
To write 0.5 as a percent, multiply the decimal by 100%.
(Remember: To multiply a number by 100,
move the decimal point two places to the right.)
Now you try:
1. 0.03 _________ 2. 0.92_________ 3. 0.18_________
4. 0.49 _________ 5. 0.7 _________ 6. 0.09_________
7. 0.26 _________ 8. 0.11 _________ 9. 1.0_________
Writing Fractions as Percents:
¾
You can use a proportion to write a fraction as percent.
To write a fraction as a percent, first set up a proportion.
Cross multiply

2. 1. Deserts cover about of all the land on Earth. About what percent of Earth’s
land is made up of deserts?
2. The Sahara is the largest desert in the world. It covers about 3% of the total area
of Africa. What decimal expresses this percent?
3. Cactus plants survive in deserts by storing water in their thick stems. In fact,
water makes up ¾ of the saguaro cactus’s total weight. What percent of its weight is
water?
4. Daytime temperatures in the Sahara can reach 130°F! At night, however, the
temperature can drop by 62%. What decimal expresses this percent?

3. Name __________________________________ Date ______________________
Mrs. Labuski & Mrs. Rooney Period _______ L8-8 Percents, Fractions, Decimals
Writing Decimals as Percents: 0.05
To write 0.5 as a percent, multiply the decimal by 100%.
(Remember: To multiply a number by 100,
move the decimal point two places to the right.)
Now you try:
Writing Fractions as Percents: ¾
You can use a proportion to write a fraction as percent.
To write a fraction as a percent, first set up a proportion.
Cross multiply
60% 66.6% 0.4 0.4

4. 1. Deserts cover about of all the land on Earth. About what percent of Earth’s
land is made up of deserts?
1 x
7 = 100
7x = 100
÷7 ÷7
x = 14.285…
About 14%
2. The Sahara is the largest desert in the world. It covers about 3% of the total area
of Africa. What decimal expresses this percent?
3% = 0.03
3. Cactus plants survive in deserts by storing water in their thick stems. In fact,
water makes up ¾ of the saguaro cactus’s total weight. What percent of its weight is
water?
3 x
4 = 100
4x = 300
÷4 ÷4
x = 75
75%
4. Daytime temperatures in the Sahara can reach 130°F! At night, however, the
temperature can drop by 62%. What decimal expresses this percent?
62% = 0.62