Rounding to the nearest 10
Time
Rounding to the nearest 100
2 and 3 digit Addition
2 and 3 digit Subtraction
100

34

30

100

How many hours are in 1 day?

24 hours

100

88

100

100

 24 + 33 = 

57

100

35 - 34 = 

1

200

79

80

200

How many minutes are in 1 Hour?

60 minutes

200

147

100

200

48 + 3 =

51

200

46 - 24 =

22

300

21

20

300

What time is 10 minutes after 3:15?

3:25

300

452

500

300

300 + 155 =

455

300

83 - 44 =

39

400

116

120

400

What time is 15 minutes before 6:30?

6:15

400

701

700

400

427 + 253 = 

680

400

276 - 126 =

150

500

699

700

500

What time is it 45 minutes after 1:15?

2:00

500

950

1,000

500

374 + 167 =

541

500

589 - 396 =

193

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