1 standard 1.2 areas: fraction to decimal (%) areas: fraction to percent. how? converting decimals...
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1
STANDARD 1.2Areas: Fraction to Decimal (%)
Areas: Fraction to Percent. How?
Converting Decimals to Fractions
Shading a % of one area
Areas: Decimal to Percent
Shading areas (%) of Mixed Numbers
Mixed numbers as percent
A dollar beak-down
Decimals to Mixed Numbers to %
END SHOW
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1.3 Convert fractions to decimals and percents and use these representations in estimations, computations and applications.
1.3 Convertir fracciones a decimales y porcentajes y usar estas representaciones en estimaciones, cálculos y aplicaciones.
GRADE 7: Number Sense
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3
STANDARD 1.2
110
110
= = . 111
110
11
10= . 1
9
8
7
6
5
4
3
2
1
10
OR
10100
= = . 111
10100
10100
= . 1
10%
Express the shaded area as a fraction and as decimal
What is this in percent?
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4
STANDARD 1.2
210
210
= = . 211
210
1
210
= . 2
OR
20100
= = . 211
20100
20100
= . 2
20%
9
8
7
6
5
4
3
2
1
10
19
18
17
16
15
14
13
12
11
20
Express the shaded area as a fraction and as decimal
What is this in percent?
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5
STANDARD 1.2
310
310
= = . 311
310
1 310
= . 3
29
28
27
26
25
24
23
22
21
30
9
8
7
6
5
4
3
2
1
10
19
18
17
16
15
14
13
12
11
20
OR
30100
= = . 311
30100
30100
= . 3
30%
Express the shaded area as a fraction and as decimal
What is this in percent?
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6
STANDARD 1.2
410
14
10= . 4
410
= = . 411
410
OR
40100
= = . 411
40100
40100
= . 4
40%29
28
27
26
25
24
23
22
21
30
9
8
7
6
5
4
3
2
1
10
19
18
17
16
15
14
13
12
11
20
49
48
47
46
45
44
43
42
41
40
Express the shaded area as a fraction and as decimal
What is this in percent?
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7
STANDARD 1.2
510
1 510
= . 5
510
= = . 511
510
50100
= = . 511
50100
50100
= . 5
50%OR
Express the shaded area as a fraction and as decimal
What is this in percent?
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8
STANDARD 1.2
610
1 610
= . 6
610
= = . 611
610
60100
= = . 611
60100
60100
= . 6
60%OR
Express the shaded area as a fraction and as decimal
What is this in percent?
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9
STANDARD 1.2
27100
= . 27
27%
27
26
25
24
23
22
21
9
8
7
6
5
4
3
2
1
10
19
18
17
16
15
14
13
12
11
20
What is the shaded area as fraction, as decimal and as percent?
Why 27%?
.27
The point travels 2 decimal places to the right and add % sign
= 27%= 27.
(.27)(100%) = 27%
or
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10
STANDARD 1.2
33100
= . 33
33%
What is the shaded area as fraction, as decimal and as percent?
Why 33%?
.33
The point travels 2 decimal places to the right and add % sign
= 33%= 33.
(.33)(100%) = 33%
or
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11
STANDARD 1.2
45100
= . 45
45%
What is the shaded area, as decimal and as percent?
Why 45%?
.45
The point travels 2 decimal places to the right and add % sign
= 45%= 45.
(.45)(100%) = 45%
or
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12
STANDARD 1.2
55100
= .55
55%
What is the shaded area as fraction, as decimal and as percent?
Why 55%?
.55
The point travels 2 decimal places to the right and add % sign
= 55%= 55.
(.55)(100%) = 55%
or
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13
STANDARD 1.2
100100
= 1
100%
What is the shaded area as fraction, as decimal and as percent?
Why 100%?
1.0
The point travels 2 decimal places to the right and add % sign
= 100%= 100.0
(1.0)(100%) = 100%
or
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14
STANDARD 1.2
49100
= .49
49%
Convert to decimal the percent below:
OR 49.0 % = .49
We shift the decimal point two places to the left.
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15
STANDARD 1.2
Convert to decimal the percent below:
58100
= .58
58%
OR 58.0 % = .58
We shift the decimal point two places to the left.
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16
STANDARD 1.2
Convert to decimal the percent below:
8100
= . 08
8%
OR 8.0 % = .08
We shift the decimal point two places to the left.
0
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17
STANDARD 1.2
Convert to decimal the percent below:
5100
= . 05
5%
OR 5.0 % = .05
We shift the decimal point two places to the left.
0
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18
STANDARD 1.2
Fill in enough squares to have 30%
Fill in enough squares to have 60%
Fill in enough squares to have 36%
Fill in enough squares to have 77%
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19
STANDARD 1.2
Fill in enough squares to have 20%
Fill in enough squares to have 40%
Fill in enough squares to have 68%
Fill in enough squares to have 99%
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20
STANDARD 1.2
75%75
100.75
Convert to fraction the following decimals:
hundredths.75=
75100
15100.15
hundredths.15=
15100
810
.8tenths
.8=8
10
15%
80%
What is the percent?
310
.3tenths
.3=3
10 30%
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21
STANDARD 1.2
= 1.31 30100
+30
1001= 1.3
The point travels 2 decimal places to the right and add % sign.
= 130.0 = 130 %
Express as a mixed number, as a decimal and as percent the following area:
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22
STANDARD 1.2
= 1.91 90100
+90
1001= 1.9
The point travels 2 decimal places to the right and add % sign.
= 190.0 = 190 %
Express as a mixed number, as a decimal and as percent the following area:
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23
STANDARD 1.2
= 1.031 3100
+ 3
1001= 1.03
The point travels 2 decimal places to the right and add % sign.
= 103. = 103 %
Express as a mixed number, as a decimal and as percent the following area:
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24
STANDARD 1.2
= 2.62 60100
+60
1002= 2.6
The point travels 2 decimal places to the right and add % sign.
= 260.0 = 260 %
Express as a mixed number, as a decimal and as percent the following area:
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25
STANDARD 1.2
= 1.061 6100
+ 6
1001= 1.06
The point travels 2 decimal places to the right and add % sign.
= 106. = 106 %
Express as a mixed number, as a decimal and as percent the following area:
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26
STANDARD 1.2
= 2.432 43100
+43
1002= 2.43
The point travels 2 decimal places to the right and add % sign.
= 243. = 243 %
Express as a mixed number, as a decimal and as percent the following area:
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27
STANDARD 1.2
Shade 267% below:
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STANDARD 1.2
Shade 155% below:
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STANDARD 1.2
Shade 298% below:
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STANDARD 1.2
Convert to mixed number the following decimals: What is the percent?
136%1.36hundredths
1.36=units
361001 36
1001
320%3.2tenths
3.2=units
2103 2
103
521%5.21hundredths
5.21=units
211005 21
1005
470%4.7tenths
4.7=units
7104 7
104
101%1.01hundredths
1.01=units
11001 1
1001
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HundredthsTenthsUnits or Ones
STANDARD 1.2
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STANDARD 1.2
1%
5%
10%
25%
50%
100%
1¢
5¢
10¢
25¢
50¢
100¢ 100100
= $1.0
50100
=$ 0.50
25100
= $0.25
10100
=$ 0.10
5100
=$0.05
1100
=$ 0.01
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