learn to count

Addition to 5

100

1+4=

5

150

0+0+2+1

3

200

2+1=

3

300

1+1=

2

1000

2+2=

4

addition to 10

100

3+5=

8

150

4+6=

10

200

4+2=

6

300

7+2=

9

1000

2+4+3

9

count to 20

100

11+3=

14

1000

11+2+5

18

up to 30

200

14+8=

22

1000

50-25

25

all the way to 100

150

25+25+25+25=

100

300

103-4

99

1000

2000-1900=

100