Dividing Whole Numbers, Part 1: Division Facts
This clip explains that it's not necessary to write out all the division facts, because "
we can get them by working backward from the multiplication table."
Dividing Whole Numbers, Part 1: Summary: Dividing Whole Numbers, Part One
This clip summarizes the key points in Part 1 of Dividing Whole Numbers, including the introduction of the terms dividend, divisor and quotient. It then explains that division was introduced in two different ways: as a shortcut for repeated subtract...
Dividing Whole Numbers, Part 2: Partial Quotients and Multiples of Ten
This clip explains how understanding and learning powers of ten and learning multiples of ten can reduce the number of partial quotients needed to solve a division problem.
Dividing Whole Numbers, Part 1: Rules of Division
This clip explains 4 rules of division, including never dividing by zero; zero divided by a non-zero number equals zero; any number divided by one equals that number; and, any non-zero number divided by itself equals 1.