Page 219 - NUMINO TG_6A

Activity 1 Percents

jOb ective Move between percents and fractions and decimals.

1. Textbook Instructions Activity 1 Percents

1. Have students write the decimals as Now have students relate percents to decimals and fractions.
percents.
2. Fractions, like percentages and decimals, 1 . Write the decimal as a percent.
are parts of a whole. By multiplying them by
100, any fraction can be turned into a 0.45 0.45 100 = 0 .4 5 To multiply by 100, move the
percentage. Have students write the fractions = 45% decimal point two places to the
as percents. right.

a . 0.3 30% b . 0.62 62%

c. 0.08 8% d . 0.27 27%

Have students write fractions as percents.

2 . Write the fraction as a percent.

1 1 100 = 25% Multiply the fraction by 100.
4 4

a. 1 1 100 = 50% b. 2 2 100 = 40%
2 2 5 5

c. 13 13 100 = 65% d. 8 8 100 = 40%
20 20 20 20

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2. Build Understanding

Remind students what decimals represent. A decimal with two digits has a value between 0 and 0.99.
This can be viewed as how close the decimal is to 1. A decimal of “0.9” is 0.1 off of being 1. Another way to
look at 1 is 100%. 100% of X is the same as 1 X.

202 NUMINO Teacher s Guide