DECIMAL TEST REVIEW

MATH 1

100

Convert the following fraction to a decimal 

25/100

.25

200

Add:

25.28+ 36.89=

62.17

300

Convert the following fraction to a decimal

34/1000

.034

400

Subtract :

314.27-209.45

104.82

500

Convert the following fraction into a decimal:

4/5

.8

MATH 2

100

Multiply:

2.35 x .12

0.282

200

Divide:

35.65 / 5

7.13

300

Convert the following fraction into a decimal

6/10

.6

400

Subtract:

56.89-23.46

33.43

500

Add:

23.45 +16.52+2.31

42.28

MATH 3

100

Convert the following fraction into a decimal

42/100

.42

200

Convert the following decimal into a fraction

.456

456/1000

300

Multiply:

34.56 x .25

8.64

400

Divide 

10.250/.25

41

500

Where is the decimal always understood to be in a whole number?

To the right of the ones place

MATH 4

100

2500 km = ? meters

2500000 meters

200

34 grams = ? kilograms

.034 kilograms

300

Add:

3421.12 + 345.67

3766.79

400

Name the first three decimal place values 

tenths, hundreths, thousandths

500

You must line up the decimals when doing what two math operations?

addition and subtraction

MATH 5

100

Convert the following fraction into a decimal

225/1000

.225

200

Convert this decimal into a fraction

.04

4/100

300

Subtract :

466.98-1.23

445.75

400

When multiplying decimals, do you line up the decimals or the digits by place value? 

How do you know where to put the decimal in your answer?

line up your digits by place value

count the number of decimal places in the whole problem, that is how many decimal places your answer should have!

500

Convert the fraction to a decimal

3/20

.15