Show:
Addition
Addition 2
Subtraction
Subtraction 2
Addition & Subtraction
100
1 + 0
1
100

20 + 10

30

100

14 - 3

11

100
20 - 10
10
100

9 + 2 + 5

16

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

21 - 18

3

200

6 +3+4

13

300
15 + 3
18
300

24 + 6

30

300
11 - 3
8
300

26 - 4

22

300

13 -___= 6

7

400
20 + 6
26
400

10 + 21

31

400
18 - 2
16
400

56 - 4

52

400

9 + 8 + 2

19

500
29 + 7
36
500

13 + 8

21

500
19 - 4
15
500

63 - 10

53

500

BONUS: 2 Digit subtraction 37 - 5

32