Grades 6-8 Fcat 2.0 Mathematics Reference Sheet Page 3
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20Big Idea 1: BIG IDEA 1
Develop an understanding of and fluency with multiplication and division of fractions and decimals.
Objective: Identify and determine equivalent forms of proper fractions as decimals, percents, and ratios - A.
21
Examples: Write
as a decimal
25
Method 1:
Method 2: Divide 21 by 25
21
Change
to a fraction with a denominator of 10, 100, or 1000
. 0
84
25
21
25
21
.
00
21
?
EX:
25
25
100
200
(Use 100, since 25 divides into 100 evenly)
100
-
100
x4
21
84
84
as a decimal
. 0
84
x4
25
100
100
21
Therefore:
. 0
84
25
19
7
1.)
Write
as a decimal. Use method 1
2.)
Write
as a decimal. Use method 2.
20
8
3
27
3.)
Write
as a decimal. Use method 2
4.)
Write
as a decimal. Use method 2
16
40
3
3
5.)
6.)
Write
as a decimal. Use method 1
Write
as a decimal. Use method 1
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