Mr. Addit demonstrates how to estimate by rounding up or rounding down. He then gives examples in which estimating helps solve a division problem.

Mr. Addit demonstrates how to divide two-digit numbers by one-digit numbers, and he explains what happens when there is a remainder.

Mr. Addit demonstrates how to divide three-digit numbers by one-digit numbers.

Mr. Addit demonstrates how to divide two-digit numbers by one-digit numbers by using multiplication facts.

Mr. Addit demonstrates how to multiply three-digit numbers by one-digit numbers by using the partial products method.

Mr. Addit demonstrates the partial products method of multiplication. He also models multiplying two-digit numbers by one-digit numbers.