Basic 4Mathematics22 min

Mental Multiplication and Division Strategies

Finding quick totals for classroom supplies without writing long calculations.

Choose a mental strategy before calculating.

A group is packing learning kits. Some totals can be found quickly by using facts they already know.

Mental Multiplication and Division Strategies illustration

Finding quick totals for classroom supplies without writing long calculations.

Find 9 x 6 mentally.

  1. Think of 10 x 6 first. That is 60.
  2. Nine groups is one group of 6 less than ten groups, so 60 - 6 = 54.