Interactive practice questions
$12-4=8$12−4=8. Use this to find:
a
$22-4=\editable{}$22−4=
b
$32-4=\editable{}$32−4=
c
$42-4=\editable{}$42−4=
d
$72-4=\editable{}$72−4=
Easy
< 1min
We know that $9-2=7$9−2=7.
Use this to find:
Easy
< 1min
$113+14=127$113+14=127
Use this to find:
Easy
1min
$116+20=136$116+20=136
Use this to find:
Easy
< 1min
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