Page 63 - Math Course 1 (Book 1)

Rational Numbers

Write 2.875 as a fraction or mixed number in Your Turn!
simplest form.

2.875 =2 875 2.875 is 2 and 875 thousandths Write Rational Numbers as Fractions
1000
3
Write as a fraction.
2
5
7 Simply. The GCF of A. 13 C. 13
Answer =2 8 875 and 1000 is 125. 10 5
B. 10 D. 13 Answer
5 3
ones tenths hundredths thousandths

2 8 7 5 Write -6 as a decimal.

A. 6 C. 1
Write Repeating Decimals 1 6
as Fractions B. 6 D. 6 Answer
6 1
Example
Write Terminating Decimals as Fractions

Write 0.84 as a fraction or mixed number in
Write 0.39 as a fraction in simplest form.
simplest form.
N = 0.3939... Let N represent the A. 21 C. 21
number. 250 25

100N = 100(0.3939...) Multiply each side by B. 41 D. 84 Answer
100 because two digits 50 1000
repeat.
100N = 39.39
Write 3.625 as a fraction or mixed number in
simplest form.
Subtract N from 100N to eliminate the repeating
part, 0.3939. . . 3 625
A. 3 C. 3
16 1000
100N = 39.3939...
- (N = 0.393939...) 3 5
99N = 39 100N – N = 100N – 1N or 99N B. 3 5 D. 3 8

99N = 39 Divide each side by 99.
99 99 Answer

N = 39 or 13 Simplify. Write Repeating Decimals as Fractions
99 33
Write 0. 4 as a fraction in simplest form.

Answer 0.39= 13 A. 4 C. 11
33 9 25

B. 44 D. 2 Answer
Check 13 ÷ 33 ENTER 0.3939393939 99 5

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