Fractions, Decimals & Percents as Ratios

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Name__________________________ Date _______
Math 6 NOTES (1.6)
Fractions, Decimals & Percents as Ratios

All ratios can be written in fraction, decimal or percent format.

𝟑
𝟒

A ______________________is a ratio that compares a part to a whole.
= 3 out of 4 pieces of pizza,
𝟗
= 4 out of 9 students,
𝟓
𝟖
= 5 out of 8 pieces of gum
A __________________________ is a ratio that compares a part to a
power of ten {10, 100, 1,000 …}.
0.5 = five tenths

𝟒
0.37 = thirty seven hundredths
0.003 = three thousandths
A _________________________ is a ratio that compares a number
to 100.
89% = eighty-nine out of 100
25% = twenty-five out of 100
Example 1:
Ratio
Fraction
Decimal
Percent
27 out of 100
27
100
0.27
27%
Complete each table.
Ratio
Fraction
Decimal
Percent
Fraction
Decimal
Percent
49 out of 100
Ratio
3 out of 10
1.6 Practice/Homework
Write the fraction as a ratio three different ways. Write each ratio in simplest form.
fraction
a.
b.
3
6
6
125
colon
“to”
_______________
__________
__________
_______________
__________
__________
*change mixed numbers into improper fractions*
Write each decimal as a ratio three different ways. Write each ratio in simplest form.
Fraction
colon
“to”
a. 0.4
__________
__________
__________
b. 0.91
__________
__________
__________
Write each percent as a ratio three different ways. Write each ratio in simplest form.
fraction
colon
“to”
a. 35%
__________
__________
__________
b. 1%
__________
__________
__________
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