Mental math is a skill that helps students to do math in their heads without using paper and pencil.
In Division,

We divide from left to right.
Example :
a) 84 ÷ 4
b) 168 ÷ 12
Answer:
Hence, 84 ÷ 4 = 21
Hence, 168 ÷ 12 = 14
Here is a table of tricks for division.


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