Page 218 - NUMINO TG_6A
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14100% Unit
Math VoCabulary percent: the ratio of a number to 100
Objective: Learn how to solve problems related to percents Explain to students that the word
“percentage” itself refers to a part of the
Show how percents are related to decimals and fractions. whole. Since 100% is a whole, any smaller
percentage relates back to one hundred and
Write percents as decimals. can be expressed in its relation to that
number.
75% 75% = 75 Example: 75%
100 75% is 75 units out of 100, or 0.75.
= 0.75 Write the fraction as a decimal.
75% written as a decimal is 0.75.
4% = 4 = 0.04 58% = 58 = 0.58
100 100
72% 72 24% 24 Have students write the percents as
100 100 decimals.
= = 0.72 = = 0.24
Explain how percents can also be written
as fractions. Have students write the
Write percents as fractions. percents as fractions.
Example: 30%
30% 30% = 30 30% is 30 units out of 100, or 30 ,
100 100
3
= 30 10 = 3 Write the fraction in simplest form. which simplifies to 10 .
100 10 10
30% written as a fraction is 3 .
10
20% = 20 10 = 2 = 1 48% = 48 = 12
100 10 10 5 100 25
52% = 52 = 13 70% = 70 = 7
100 25 100 10
14. 100% 121
When multiplying or dividing by numbers exponentially related to ten (10, 100, 1000), the answers are all about
moving decimal points.
5.0 10 50 5 0 50
5.0 0.1 0.5 5 0 0.5
6A Unit 14 201
Math VoCabulary percent: the ratio of a number to 100
Objective: Learn how to solve problems related to percents Explain to students that the word
“percentage” itself refers to a part of the
Show how percents are related to decimals and fractions. whole. Since 100% is a whole, any smaller
percentage relates back to one hundred and
Write percents as decimals. can be expressed in its relation to that
number.
75% 75% = 75 Example: 75%
100 75% is 75 units out of 100, or 0.75.
= 0.75 Write the fraction as a decimal.
75% written as a decimal is 0.75.
4% = 4 = 0.04 58% = 58 = 0.58
100 100
72% 72 24% 24 Have students write the percents as
100 100 decimals.
= = 0.72 = = 0.24
Explain how percents can also be written
as fractions. Have students write the
Write percents as fractions. percents as fractions.
Example: 30%
30% 30% = 30 30% is 30 units out of 100, or 30 ,
100 100
3
= 30 10 = 3 Write the fraction in simplest form. which simplifies to 10 .
100 10 10
30% written as a fraction is 3 .
10
20% = 20 10 = 2 = 1 48% = 48 = 12
100 10 10 5 100 25
52% = 52 = 13 70% = 70 = 7
100 25 100 10
14. 100% 121
When multiplying or dividing by numbers exponentially related to ten (10, 100, 1000), the answers are all about
moving decimal points.
5.0 10 50 5 0 50
5.0 0.1 0.5 5 0 0.5
6A Unit 14 201
