Doubles
Doubles Plus One
Expanded Form
Add a Ten
Subtract a 10
100

5 + 5

10

100

2 + 3

5

100

300 + 60 + 4

364

100

20 + 10

30

100

70 - 10

60

200

3 + 3

6

200

7 + 8

15

200

789

700 + 80 + 9

200

84 + 10

94

200

57 - 10

47

300

40 + 40

80

300

6 + 5

11

300
What is the number in the hundreds place in the number 572?

500

300

47 + 10

57

300

64 - 10

54

400

8

4 + 4

400

20 + 21

41

400

What is the value of 2 in the number 425?

20

400

150 + 10

160

400

100 - 10

90

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