double digit addition
single digit addition
mixed
single digit subtraction
double digit subtraction
100

what is 10+10

20
100

what is 1+1

2

100

what is 10/2

5

100

what is 5-1

4

100

what is 36-6

30

200

what is 60+7

67

200

what is 5+7

12

200

what is 39-20

19

200

what is 13-4

9

200

what is 40-40

0

300

what is 54+26

80

300

what is 9+27

36

300
what is 67-22

45

300

what is 3-43

40
300

what is 92-27

65

400

what is 88+79

167

400

what is 8+71

79

400

what is 144/12

12

400

what is 91-7

84

400

what is 76-47

29

500

what is 98+247

345

500

what is 9+47

56

500

what is 1982-1242

740

500

what is 662-7

655

500

what is 2127-78

2049