Show:
Addition
Addition 2
Subtraction
Subtraction 2
3 Digit Addition & Subtraction
100
1 + 0
1
100
25 + 10
35
100
4 - 3
1
100
20 - 10
10
100

100 + 100

200

200
9 + 3
12
200
24 + 3
27
200
7 - 4
3
200

20-3

17

200

100+200

300

300
15 + 3
18
300

25 + 2

27

300
11 - 3
8
300
26 - 14
12
300
700 - 300
400
400
20 + 6
26
400

15+5

25

400

18-2

16

400

50-20

30

400

102-2 

100

500

20+20

40

500

30+20

50

500

20 - 10

15

500

50-20

30

500

100-10

90