Place Value
Rounding
Comparing Numbers
Addition
Subtraction
100

1

1

100

2

2

100

9

9

100

5

5

200

3

3

200

4

4

200

10

10

200

11

11

200

12

12

300

6

6

300

7

7

300

14

14

300

13

13

400

8

8

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