Show:
Addition
Subtraction
Addition 2
Subtraction 2
Multiplication
100

15+10

25

100

15-10

5

100

15+10+5

30

100

21-7

14

100

2x5

10

200

17+9

26

200

40-30

10

200

20+10+30

60

200
25-19

4

200

4x5

20

300

200+150

350

300

800-200

600

300

6+6+6

18

300

100-93

7

300

Write a multiplication equation for:

2+2+2+2

2x4 or 4x2

400

84+16

100

400

64-28

36

400

5+5+5+5+5

25

400

600-300

300

400

6x4

24

500

11+21+11

43

500

425-216

209

500

1+2+3+4+5+6

21

500

81-9

72
500

8x3

24