Show:
Addition
Subtraction
Place Value
Skip Counting
100

8+10

18

100

20-10

10

100

Which digit is in the tens? 3456

5

100

Skip count by 2's from 2-20

2, 4, 6, 8, 10, 20

200

10+10

20

200

40-10

30

200

Which digit is in the units? 3738

8

200

Skip count by 10s from 10-100

10, 20, 30, 40, 50, 60, 70, 80, 90, 100

300

12+7

19

300

17-5

12

300

Which digit is in the thousands? 2039

2

300

Skip count by 5s from 5-30

5, 10, 15, 20, 25, 30

400

5+9

14

400

25-5

5

400

Which digit is in the hundreds? 679

6

400

Skip count by 2s from 12-24

12, 14, 16, 18, 20, 22, 24

500

18+6

24

500

27-6

21

500

Which digit is in the thousands? 4830

4

500
Skip count by 5s from 25-50

25, 30, 35, 40, 45, 50