Quick mental addition
*triple points*
14+8=
22
14-8=
6
24+34=
58
138+239=
177
10 seconds
45-9=
36
23+9=
32
*Double points*
21-5=
16
45+38=
83
258+361=
619
*triple points*
Bruce bought a pair of shorts for $36. He gave the shop assistant $50. How much change did he get?
$14
36+7=
43
16-7=
9
*double points*
28+45=
73
*triple points*
189+483=
672
Mental math
338-9=
329
21+9=
30
54-5=
49
76+35=
111
488+332=
820
*double points*
Write down the 4 number sentences you can create from the following fact family:
6,4,10
6+4=10
4+6=10
10-4=6
10-6=4
86+9=
95
86-8=
78
87+95=
182
*double points*
254+678=
932
Bob had 35 oranges, 28 bananas and 40 apples. How many pieces of fruit did Bob have in total?
103