Show:
addition
SUBTRACTION
multiplication
fractions
Random
100

19+98

117

100

78-65

13

100

23x13

299

100

1/3 x3/4

0.25

100

How many states are there 

50

200

20+98

118

200

67-32

35
200

45x4

180

200

3/5x 2/3

0.4

200

What's the biggest country 

Russia 

300

67+34

101

300

98-56

42

300

13x13

169

300

2/1x1/1

2

300

what's the biggest state 

Alaska 

400

87+23

110

400

100-76

24

400

13x14

182

400

4/1x1/2

2

400

How many weeks in a year

52

500

98+76

174

500

200-96

104
500

14x15

210

500

7/2x3/1

10.5

500

How many species of dogs are there

360