Arithmetic College Readiness

Writing Decimals as Fractions

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Answer explanation

Writing Decimals as Fractions:

place the decimal over its place value

Since 6 is in the hundredths place, the fraction is 6/100.

Units

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Answer explanation

If there are 12 items per member and there are 36 members...

total # of items = 36 x 12 = 432

Common denominator = 100

4/10 = 40/100

40/100 + 3/100 = 43/100

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280 + 31 = 311

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72/150 = 0.48

Multiply by 100 (aka move decimal place right 2)

0.48 * 100 = 48%

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Convert the fractions to decimals:

8/3 = 2.67

10/12 = 0.83

2.67, 2.28, 0.83, 0.199

2.67 is the greatest, which was 8/3!

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To find a percentage of a number, multiply by the decimal form of the percentage.

25% = 25/100 = 0.25 (move decimal place back 2)

0.25 * 130 = 32.5 = $32.50

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1582

+ 761

=2343

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He has 20 eggs

20 eggs / 3 eggs = 6.67 (6 and 2/3)

The number of batches he could make would be 6. Why wouldn't it be 7?

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3.85

+0.004

+0.117

=3.971

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