division (/)
multiplication (x)
addition (+)
How can I solve...?
subtraction (-)
100

49 / 7

7

100

98 x 0

0

100

57 + 38

95

100

86 - 59

27

200

72 / 9

Start with small number, count jumps to the big number

8

200

10 x 8

80

200

199 + 9

208

200

73 - 48

25

300

100/ 1

remember the rule for dividing by 1

100

300

230 x 1

230

300

    227 + 125 


352

300

482 - 135

347

400

which is equal to 3

12 / 4

400

12 x 4

48

400

184 + 152

336

400

100- 25

75

500


4

and

6

500

13 x 3

39

500

495 + 213 

708

500

201 - 32

169