Rules
Fractions 1
Decimals 1
Fractions 2
Decimals 2
100
When adding/subtracting fractions, do you need common denominators?

Yes

100

Add 1/2 + 3/4 in simplest form as a mixed number or fraction greater than 1

5/4 or 1  1/4

100

Add the decimals: 1.46 + 1.21

2.67

100

Subtract the fractions 6/12 - 4/12 in simplest form

1/6

100

Subtract 5.2 - 3.52

1.68

200

When multiplying decimals, how do you know how many decimals will be in the product?

Count how many decimal places in each of the numbers

200

Multiply 1/2 • 3/4 in simplest form

3/8

200

Add the decimals: 1.5 + 2.03 + 0.6

4.13

200

Divide in simplest form 5/6 ÷ 5/8 as a mixed number or fraction greater than 1

1  1/3 or 4/3

200

4.45

300

When dividing decimals, which one needs to be the whole number, inside or outside?

The outside

300

Subtract in simplest form 7/10 - 1/5

1/2

300

Multiply 4.52 • 2

9.04

300

Add the fractions 2 3/5 + 3 1/2 in simplest form as a mixed number

6  1/10

300

Multiply 1.3 x 2.21

2.873

400

When adding/subtracting fractions, do we need to convert mixed numbers to fractions greater than 1?

No

400

Divide 2 1/8 ÷ 1 1/4 in simplest form as a mixed number or fraction greater than 1

1  7/10 or 17/10

400
Divide the decimals: 24.6 divided by 2
12.3
400

Subtract the fractions 2 1/8 - 1/4 in simplest form as a mixed number

1 7/8

400

Divide the decimals: 6.21 divided by 0.3

20.7

500

When dividing fractions, which one do you find the reciprocal for, first or second?

Second

500

Add 1/3 + 2/6 + 3/5 in simplest form as a mixed number

1  4/15

500

Divide the decimals: 45.6 divided by 0.3

152

500

Divide in simplest form 1 1/2 ÷ 3

1/2

500

Find 32 - 8.26 + 2.1

25.84

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