Fractions
Elapsed Time
Decimals
10 and 100 Tricks
Rounding
100

What is 1/2 of 5/8?

5/16

100

What time is 2 hours and 45 minutes past 8:10pm?

10:55pm

100

0.5 x 1.6

0.8

100

12.372 x 100

1237.2

100

Round to the nearest hundredth:

145.235

145.24

200

What is 3/4 of 16?

12

200

If you started a race at 12:30pm and ended at 2:15 how long did it take you?

1 hour 45 minutes

200

32.1 - 27.9

4.2

200

10 x 3,214.564

32,145.64

200

Round to the nearest tenth:

3.89

3.9

300

What is 1/4 of 3/5? 

3/20

300

How many hours before 4:30pm was 10:30am?

6 hours

300

4.1 - 3.72

0.38

300

1.2 x 10

plus

.34 x 100

46

300

Round each to the nearest tenth and then add:

0.26

0.91

1.2

400

What is 1/3 divided by 5/6?

6/15

400

If you started a game at 11:00am and it lasted 85 minutes...when did it end?

12:25pm

400

7.9 x 3.6

25.92

400

456 / 100

plus

3.4 x 10

38.56

400

Round each to the nearest hundredth and add them:

12.314

15.789

28.1

500

What is 10 divided by 6/7?

11  4/6 

500

It is 3:00pm and it has been 8.5 hours since you ate breakfast...what time did you eat breakfast?

6:30am

500

Round answer to one decimal point:

4.1 / 0.3

13.7

500

498 / 10 

times

3.2 x 10

(ROUND TO ONE DECIMAL PLACE)

1.6 

500

Subtract after rounding to nearest tenth:

112.32

89.911

22.4

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