Practice finding fractions such as 1/2, 1/4, 1/8, 1/16 of different wholes. Help the students see that if the fraction is a factor of the whole number it works. So they can find 1/3 if the whole is 9 or 18 but not if the whole is 10.

Two digit x 1 digit multiplication

Multiplication Facts

Factor numbers and use factors of small numbers to find factors of larger numbers