Mental maths
25+15=
40
*triple points*
127+248=
375
18+7=
25
16-9=
7
367+199=
566
*double points*
36+18=
54
289+303=
592
22-6=
16
23-11=
12
5 seconds
22-9=
13
27-9=
18
375+249=
624
12-7=
5
35-11=
24
*triple points*
9x4=
36
140+36=
176
189+621=
810
36+15=
51
45-12=
33
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
28+59=
87
*double points*
765+188=
953
*double points*
71+19=
90
*triple points*
54-16=
38
*double points*
7x6=
42