Show:
Place Value
Rounding 2 digit numbers
Rounding 3 digit numbers
Adding 2 digit numbers
Subtracting 2 digit numbers
100

123


What digit is in the ones place?

3

100

Round to the nearest 10

42

40

100

Round to the nearest 10


342

340

100

12 + 10 =

22

100

25 - 25 =

0

200

891


What digit is in the tens place?

9

200

Round to the nearest 10


77

80

200

Round to the nearest 10


812

810

200

72 + 11 =

83

200

83 - 23 =

60

300

453


What digit is in the ones place?

3

300

Rounding to the nearest 10


33

30

300

Round to the nearest 10


775

780

300

99 + 10 =

109

300

99 - 55 = 

44

400

1, 784


What digit is in the tens place?

8

400

Round to the nearest 10


65

70

400

Round to the nearest 100


221

200

400

35 + 15 =

50

400

87 - 68 =

19

500

18, 562


What digit is in the hundreds place?

5

500

Round to the nearest 10


98

100

500

Round to the nearest 100


891

900

500

73 + 28

101

500

54 - 45 = 

9