rounding decimals
Test questions
Fractions to Decimals
Decimal to Fractions
Random Riddles
Adding decimals
Subtracting Decimals
100

round to the nearest whole number 

6.4


6

100

What is the value of 8 in 37.82

0.8

100

write as a decimal 

3/10

0.3

100

write as a fraction 

0.3

3/10

100

What has to be broken before you can use it?

an egg

100

3.5 + 2.1

5.6

100

5.69 - 3.24

2.45

200

Round to the nearest tenth 

8.39

8.4

200

Write 3.45 in expanded form 

3 + 0.4 + 0.05

or 

3 + 4/10 + 5/10

200

write as a decimal 

1/2 

0.5

200

write as a fraction 

0.07

7/100

200

What begins with T, finishes with T, and has T in it?

a teapot

200

4.2 + 15.3

19.5

200

8.2 - 2.68

5.52

300

round to the nearest whole number 

7.63

8

300

Express 6/5 as a decimal 

1.2

300

write as a decimal 

83/10

8.3

300

write as a fraction 

0.73

73/100

300

What goes up but never comes back down?

your age

300

8.3 + 1.68

9.98

300

6.2 - 5.64

0.56

400

Round to the nearest whole number 

9.72

10

400
Write the missing numbers in the pattern. 

1.58   1.55   1.52   1.49  _______    1.43  _______

1.46     1.40

400

Write as a decimal 

1/4 

0.25

400

write as a fraction 

3.4 

3 4/10

400

No matter what, what can you always count on?

your fingers

400

100.3 + 9.72

110.02

400

4 - 1.2

2.8

500

Round to the nearest tenth

2.95

3

500

Order the numbers from least to greatest (hint:write them all as decimals)

6 hundredths, 5/10, 4 tenths, 3/4, 33/100

6 hundredths, 33/100, 4 tenths, 5/10, 3/4

500

write as a decimal 

8/5 

1.6

500

write as a mixed number  

3.67

3  67/100

500

What is full of holes but still holds water?

a sponge

500

6.34 + 57

63.34

500

20 - 6.24

13.76