Decimal Test Review

Whole Number×Decimal

100

38x1=

38x0.1=

38x0.01=

38

3.8

0.38

200

1 x 3.19= 

10 x 3.19= 

100 x 3.19= 

1,000 x 3.19= 

3.19

31.9

319

3,190

300

draw a picture. 

3 x 0.46

1.38

400

draw a picture

4 x 0.17

0.68

500

draw a picture

3 x 0.62

1.86

Whole Number×Decimal 2

100

Use decimal model to find the product

5 x 0.06

0.30 or 0.3

200

Use decimal model to find the product

2 x 0.38

0.76

300

Use decimal model to find product. 

4 x 0.24

0.96

400

Use decimal model to find product. 

5 x 0.15

0.24

500

Use decimal model to find product

6 x 0.06

0.36

Decimalr×Decimal

100

Multiply, use the decimal model.

 0.7 x 0.8

0.56

200

Multiply. Use the decimal model

0.3 x 1.4

0.42

300

Multiply. Use the decimal model.

0.8 x 0.4

0.32

400

Multiply. Use the decimal model.

0.4 x 1.6

0.64

500

Multiply. Use the decimal model.

0.9 x 0.6

0.54

Multiply Decimals

100

Multiply.

7.8 x 3.12

24.336

200

Multiply.

1.5 x 2.8

4.2 or 4.20

300

Multiply.

0.9 x 0.8

0.72

400

Multiply.

2.39 x 2.7

6.453

500

Multiply

84.5 x 5.5

464.75

Zeros

100

Find the product and place the zeros.

0.2 x 0.30

0.060

200

Find the product and place the zeros.

0.4 x 0.2

0.08

300

Find the product and place the zeros

0.09 x 0.7

0.063

400

Find the product and place the zeros.

0.40 x 0.1

0.04

500

Find the product and place the zeros. 

0.02 x 0.2

0.004