Slide 11. 15, 24
2. 30, 60
3. 54, 102
Problem of the Day
Write the day of the month as the product of two factors.
Possible answer: 12th of the month, 6 2
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Decimals and Fractions
A number that contains both a whole number greater than 0 and a fraction, such as 1 , is called a mixed number.
3
4
2
1
2
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Additional Example 1A: Writing Decimals as Fractions or Mixed Numbers
Write each decimal as a fraction or mixed number.
0.67
Identify the place value of the digit farthest to the right.
The 7 is in the hundredths place, so use 100 as the denominator.
0.67
100
Additional Example 1B: Writing Decimals as Fractions or Mixed Numbers
Write each decimal as a fraction or mixed number.
5.9
Identify the place value of the digit farthest to the right.
Write the whole number, 5. The 9 is in the tenths place, so use 10 as the denominator.
5.9
5
10
Write each decimal as a fraction or mixed number.
0.73
Identify the place value of the digit farthest to the right.
The 3 is in the hundredths place, so use 100 as the denominator.
0.73
100
Write each decimal as a fraction or mixed number.
4.8
Identify the place value of the digit farthest to the right.
Write the whole number, 4. The 8 is in the tenths place, so use 10 as the denominator.
4.8
4
10
Write each fraction or mixed number as a decimal.
Divide 3 by 20.
0
Decimals and Fractions
To write a repeating decimal, you can show three dots or draw a bar over the repeating part: 0.666… = 0.6
Writing Math
Divide 1 by 3.
0
.000
- 9
.3
1
3
10
- 9
3
10
3
Write each fraction or mixed number as a decimal.
Divide 5 by 20.
0
Write each fraction or mixed number as a decimal.
Divide 2 by 3.
0
.000
- 18
.6
2
3
20
- 18
6
20
Decimals and Fractions
A terminating decimal, such as 0.75, has a finite number of decimal places. A repeating decimal, such as 0.666…, has a block of one or more digits that repeat continuously
0.8
0.75
0.6
0.6
0.5
0.4
0.3
0.25
0.2
1
3
, 0.8,
7
Order the three decimals.
4
7
10
3
4
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Order the fractions and decimals from least to greatest.
, 0.35,
1
Order the three decimals.
2
The numbers in order from least to greatest are , 0.35, and .
0.35
0.5
0.25