squaring
Adding
subtracting
square root
times
100

22

4

100

10+1

11

100

2-1

1

100

square root of 4

2

100

2x2

4

200

52

25

200

18+13

31

200

16-4

12

200

square root of 25

5

200

6x6

36

300

122

144

300

34+79

113

300

10-12

-2

300

square root of 144

12

300

12x11

132

400

232

529

400

1289+5679

6968

400

-59--76

17

400

square root of 529

23

400

2(4+4-6+9)

22

500

482

2304

500

13298+49289

62587

500
-14569--4256

-10313

500

square root of 2304

48

500

4(15-19+34-6+3)

108

M
e
n
u