converting fractions to decimals hex
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Agenda Tuesday, Dec. 8
homework 15 p. 244 # 1 - 15, 33 - 38, 43
correct homework
5-2 fractions - decimals
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22.
23.
24.
25.
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lowest common denominator
is the same as
least common multiple
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To express a fraction as a decimal, divide the numerator by the denominator.
Write as a decimal. means 3 ÷ 4. The fraction
can be written as 0.75, since 3 ÷ 4 = 0.75.
Next
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Denominator and the numerator.
3Numerator
4 Denominator
34
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1Write each fraction as a decimal.
2/
5
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2Write each fraction as a decimal. Round to the nearest ten thousandths if necessary.
- 4 3/
10
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Converting a Decimal to a Fraction.
.3535
100
35
100
5
5
720
.325325
1000
325
1000
25
25
1340
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3Write each decimal as a fraction in simplest form.
0.8
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4Write each decimal as a fraction in simplest form.
-0.625
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5Write each fraction as a decimal. If necessary round to the nearest ten thousandths
- 2/
3
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Click the die to roll it. Write the fraction for that decimal in the fraction maker. Then click the arrow.
45
26
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TERMINATING AND REPEATING DECIMALS
TERMINATING DECIMAL
A decimal that ends or terminates.EXAMPLE: 0.5 0.814 1.03
Pull
Pull
Pu
llPu
ll
A decimal that ends with arepeating digit or block of digits _ __EXAMPLE: 0.333 0.1212
REPEATING DECIMAL
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0.4
4.3
0.81
0.375
0.1
Terminating decimals
Repeating decimals
0.125
Repeating or terminating decimals
0.111...
4.333...0.8181...
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Writing a repeating decimal as a fraction.
1. Identify how many digits repeat.2. Place the repeating digits over the same number of 9's.3. Simplify.
Example 1. 0.33 19 3
Example 2. 0.4545 599 11=
=
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49
110
511
1120
45
58 0.8
0.45
0.1
0.55
0.625
0.4
Match fractions and decimals
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