Addition
Subtraction
Place Value
Addition of Three Numbers
100

20 + 15 =

35


100

10 - 8 = 

2

100

What digit is in the ten's place in the number 85?

8

100

2 + 2 + 2 

6

 

200

24 + 24 = 

48

200

20 - 10 =

10

200

What digit is in the one's place in 89?

9

200

3 + 3 + 3

9

300

35 + 27 =

62

300

20 - 5 = 

15

300

What digit is in the tens place in 123?

2

300

7 + 2+ 1

10

400

57 + 28 = 

85

400

20 - 8 =

12

400

What digit is in the hundred's place in 526?

5

400

5 + 6 + 1

12

500

74 + 26 = 

100

500

50 - 40 =

10

500

What digit is in the ten's place in 106?

0

500

10 + 6+ 1

17 

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