8.2.notebook 1 December 08, 2016 Dec 77:13 AM Module 8 Lesson 2 Percents, Fractions, and Decimals Objective: Use ratio and rate reasoning to solve real world mathematical problems Dec 77:15 AM Write a percent as a fraction Write the percent as a fraction Simplify 35% 15% Dec 77:16 AM Writing percents as decimals Divide by 100 or move the decimal two places to the left Dec 77:19 AM Writing fractions as percents use a proportion to solve 96 200 100 = Dec 77:22 AM Changing fractions to decimals and as a percent 1. Divide the numerator by the denominator 2. Change to percent by multiplying by 100 or move your decimal place two places to the right 1 8 1 1/6 Additional Example 1 Percent, Fractions, and Decimals Bennett saves 12% of his income. Write this percent as a fraction and as a decimal.
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8.2.notebook
1
December 08, 2016
Dec 77:13 AM
Module 8
Lesson 2
Percents, Fractions, and Decimals
Objective: Use ratio and rate reasoning to solve real world mathematical problems
Dec 77:15 AM
Write a percent as a fractionWrite the percent as a fraction
Simplify35%
15%
Dec 77:16 AM
Writing percents as decimals
Divide by 100 or
move the decimal two places to the left
Dec 77:19 AM
Writing fractions as percentsuse a proportion to solve
96
200 100=
Dec 77:22 AM
Changing fractions to decimals and as a percent
1. Divide the numerator by the denominator
2. Change to percent by multiplying by 100 or move your decimal place two places to the right
1
8
1
1/6
Additional Example 1
Percent, Fractions, and Decimals
Bennett saves 12% of his income. Write this percent as a fraction and as a decimal.
8.2.notebook
2
December 08, 2016
2
2/6
Additional Example 2
A
Percent, Fractions, and Decimals
3
3/6
Additional Example 2
B
Percent, Fractions, and Decimals
4
4/6
Lesson Quiz
1.
Write each percent as a fraction and as a decimal.
3.
Percent, Fractions, and Decimals
2.
20% of the books
65% of the students
350% increase in sales
5
5/6
Lesson Quiz
4.
Write each fraction as a decimal and as a percent.
5.
Percent, Fractions, and Decimals
6
6/6
Lesson Quiz
Chloe answered 42 of the 50 questions correctly. Express this amount as a percent and a decimal.
6.
Percent, Fractions, and Decimals
a1
1/6
Percent, Fractions, and Decimals
Bennett saves 12% of his income. Write this percent as a fraction and as a decimal.
Additional Example 1
8.2.notebook
3
December 08, 2016
a2
2/6
Additional Example 2
A
Percent, Fractions, and Decimals
0.3; 30%
a3
3/6
0.075; 7.5%
Additional Example 2
B
Percent, Fractions, and Decimals
a4
4/6
Lesson Quiz
1.
Write each percent as a fraction and as a decimal.
3.
Percent, Fractions, and Decimals
2.
20% of the books
65% of the students
350% increase in sales
a5
5/6
Lesson Quiz
Write each fraction as a decimal and as a percent.
Percent, Fractions, and Decimals
0.72, 72%
2.25, 225%
4.
5.
a6
6/6
Lesson Quiz
Chloe answered 42 of the 50 questions correctly. Express this amount as a percent and a decimal.
6.
84%, 0.84
Percent, Fractions, and Decimals
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