Converting Decimals Into Fractions Worksheet With Answers Page 3
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6Example 4: (You Try!)
Express 0.28 as a fraction in simplest form.
Simplify with Prime
Model with Base-10
Simplify with Greatest
Factorization
Blocks
Common Factor
1
28
28
0.28 =
0.28 =
100
100
2i2i7
28
4
0.28 =
0.28 =
÷
GCF = 4
100
4
2i2i5i5
7
7
0.28 =
0.28 =
25
25
28
7
=
100
25
CST Released Test Questions: (Once students understand the conceptual model, move away from it and use
only as needed to scaffold the concept.)
What is the decimal 0.4 written as a fraction?
What is the decimal 0.48 written as a fraction?
Simplify with Prime
Simplify with Greatest
Simplify with Prime
Simplify with Greatest
Factorization
Common Factor
Factorization
Common Factor
GCF = 2
GCF = 4
48
4
4
48
0.48 =
0.4 =
0.4 =
0.48 =
100
10
10
100
1
4
2
2i2i2i2i3
48
4
2i2
0.4 =
0.48 =
÷
0.48 =
÷
0.4 =
10
2
100
4
2i2i5i5
2i5
2
12
12
2
0.4 =
0.48 =
0.48 =
0.4 =
5
25
25
5
Page 3 of 6
MCC@WCCUSD 12/01/11
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