Mental maths
3 digit addition
quick shoot 5 secs
subtraction
Random
100

25+15=

40

100

*triple points*

127+248=

375

100

18+7=

25

100

16-9=

7

100

367+199=

566

200

*double points*

36+18=

54

200

289+303=

592

200

22-6=

16

200

23-11=

12

200

5 seconds

22-9=

13

300

27-9=

18

300

375+249=

624

300

12-7=

5

300

35-11=

24

300

*triple points*

9x4=

36

400

140+36=

176

400

189+621=

810

400

36+15=

51

400

45-12=

33

400

Bob was collecting eggs from his chook pen. He put 15 eggs in his basket but dropped 8. How many did he have left?

7

500

28+59=

87

500

*double points*

765+188=

953

500

*double points*

71+19=

90

500

*triple points*

54-16=

38

500

*double points*

7x6=

42