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# Multiplication and Division

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Author: Heidi Santos
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Tutorial

## Multiplication Methods

In this video, students will learn what it means to multiply. Groups of objects can be organized into arrays. Multiplication problems may be solved in a variety of ways including drawing arrays, skip counting on a number line, or through repeated addition. Similar to addition, multiplication sentences may be written in any order, using the commutative property.

## Multiplying by Zero and One

In this video, students will learn the trick to multiplying by zero, and learn to apply the IDENTITY PROPERTY when multiplying by one.

## Multiplying by Two

In this video, students will learn the numbers 1-12 in sign language, then learn a cheer for the multiples of two.

## Multiplying by Three

In this video, students will ROW, ROW, ROW their boats into memorizing the multiples of three.

## Multiplying my Four

In this video, students will learn the multiples of four to the tune of "Mary Had a Little Lamb".

## Multiplying by Five and Ten

In this video, students will review how to count by fives and tens using nickels and dimes, and will review using patterns on a hundreds chart to find answers to multiplication problems.

## Multiplying by Six

In this video, students will learn a song for the six times tables to the tune of "Twinkle, Twinkle, Little Star." Students will also be shown the similarity between the threes and the sixes.

## Multiplying by Seven

In this video, students will "E-I-E-I-O" their way through the seven times tables!

## Multiplying by Eight

In this video, students will learn their eight times tables to the tune of "This Old Man." Students will also be shown the similarity between the multiples of four and eight.

## Multiplying by Nine

In this video, students will learn the "Nines Trick" and will also learn a song to the tune of "Take Me Out to the Ball Game" in order to memorize the multiples of nine.

## Multiplying by Eleven and Twelve

In this video, students will learn the trick to multiplying by eleven, and will see that there is only one last fact to memorize when multiplying by twelve.

## Multiplying 2 digits by 1 digit (no regrouping)

In this video, students will learn how to multiply a two digit number by a one digit number.

## Multiplying 2 digits by 1 digit (with regrouping)

In this video, students will learn how to multiply two digit numbers by one digit numbers when regrouping is needed.

## Division

In this video, students will learn the concept of division and the specific vocabulary used in division problems.