Do NOT use a mouse.
Multiply x * . () by five:
5 groups of or 5 lots of
The answer ends in 5 or 0
Learn your 5 times tables
Skip count in 5s
Add the number to itself 5 times 5x6=6+6+6+6+6=30
Times by 10 then halve the answer
Divide ÷ / by five:
How many times does 5 go into
Break into 5 groups
Reverse 5x tables 3x5=15 so 15÷5=3 and 15÷3=5
Skip count in 5s and count how many 5s
Add + five:
Add five to the ones digit
Learn addition rules e.g. 2+5=7 so 62+5=67
Take - five:
Take five from the ones digit
Learn subtraction rules rules e.g. 8-5=3 so 68-5=63
Number in grey (left) x number in grey (top) = number in white OR number in white ÷ number in grey = other number in grey.
Number in grey (left) + number in grey (top) = number in white OR number in white - number in grey = other number in grey.