The big ideas of multiplication and division
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THE BIG IDEAS OF MULTIPLICATION AND DIVISION. WHAT IS MULTIPLICATION? WHEN DO WE USE MULTIPLICATION?. WHAT IS MULTIPLICATION? WHEN DO WE USE MULTIPLICATION?. To find the total in a number of equal groups – “a quick way to add”.

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THE BIG IDEAS OF MULTIPLICATION AND DIVISION

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The big ideas of multiplication and division

THE BIG IDEAS OF MULTIPLICATIONANDDIVISION


What is multiplication when do we use multiplication

WHAT IS MULTIPLICATION?WHEN DO WE USE MULTIPLICATION?


What is multiplication when do we use multiplication1

WHAT IS MULTIPLICATION?WHEN DO WE USE MULTIPLICATION?

  • To find the total in a number of equal groups – “a quick way to add”


The big ideas of multiplication and division

  • There are 4 children at a table. They each have 3 cookies. How many cookies do they have in all?


The big ideas of multiplication and division

There are 4 children at a table. They each have 3 cookies. How many cookies do they have in all?


The big ideas of multiplication and division

In our classroom there are 3 rows of desks. Each row has 5 desks. How many desks are there?


The big ideas of multiplication and division

In our classroom there are 3 rows of desks. Each row has 5 desks. How many desks are there?


The big ideas of multiplication and division

In our classroom there are 3 rows of desks. Each row has 5 desks. How many desks are there?


The big ideas of multiplication and division

3 x 5 = 15


The big ideas of multiplication and division

5

3

3 X 5 = 15 sq units


The big ideas of multiplication and division

y

x

ALGEBRA


The big ideas of multiplication and division

We are going on a trip. It will take four hours if we drive at 60 miles per hour. How far will we drive?


The big ideas of multiplication and division

We are going on a trip. It will take four hours if we drive at 60 miles per hour. How far will we drive?


The big ideas of multiplication and division

We are going on a trip. It will take 4 hours if we drive at 60 miles per hour. How far will we drive?

60 606060

4 x 60 = 240 miles


The big ideas of multiplication and division

The store sells vanilla, chocolate, and strawberry ice cream. You can have a sugar or biscuit cone. How many different types of ice cream cones can you buy at the store?

3 X 2 = 6 different ice cream cones


What is division when do we use division

WHAT IS DIVISION?WHEN DO WE USE DIVISION?


What is division when do we use division1

WHAT IS DIVISION?WHEN DO WE USE DIVISION?

5 friends have 15 stickers. They are going to share them fairly so that each child gets the same number of stickers. How many stickers will each child get?


The big ideas of multiplication and division

5 friends have 15 stickers. They are going share them fairly so that each child gets the same number of stickers. How many stickers will each child get?


The big ideas of multiplication and division

5 friends have 15 stickers. They are going share them fairly so that each child gets the same number of stickers. How many stickers will each child get?


The big ideas of multiplication and division

5 friends have 15 stickers. They are going share them fairly so that each child gets the same number of stickers. How many stickers will each child get?

15 ÷ 5 = 3


The big ideas of multiplication and division

Does this drawing look like multiplication or division?


The big ideas of multiplication and division

5 friends have 15 stickers. They are going share them fairly so that each child gets the same number of stickers. How many stickers will each child get?


The big ideas of multiplication and division

Nikki has 15 stickers. She puts 5 stickers on each page of her sticker book. How many pages will she use?


The big ideas of multiplication and division

Nikki has 15 stickers. She puts 5 stickers on each page of her sticker book. How many pages will she use?


The big ideas of multiplication and division

Nikki has 15 stickers. She puts 5 stickers on each page of her sticker book. How many pages will she use?


The big ideas of multiplication and division

Nikki has 15 stickers. She puts 5 stickers on each page of her sticker book. How many pages will she use?

15 ÷ 5 = 3

Does this look like multiplication or division?


The big ideas of multiplication and division

Nikki has 15 stickers. She puts 5 stickers on each page of her sticker book. How many pages will she use?


The big ideas of multiplication and division

5 friends have 15 stickers. They are going share them fairly so that each child gets the same number of stickers. How many stickers will each child get?


The big ideas of multiplication and division

Nikki has 15 stickers. She puts 5 stickers on each page of her sticker book. How many pages will she use?


The big ideas of multiplication and division

GUZINTA


The big ideas of multiplication and division

Children need to know their basic facts in order to do mental math, to estimate, and to do higher level math thinking.


The big ideas of multiplication and division

42

6

  • X 6 = 42

  • X 7 = 42

  • ÷ 6 = 7

    42 ÷ 7 = 7


What we want students to know about multiplication and division

What we want students to know about multiplication and division

  • When to use multiplication and division to solve real problems. There are different models (pictures, diagrams) for these situations.

  • Multiplication and division are related. They both involve groups of equal size

  • Multiplication involves finding the total in all the groups.

  • Division finds the missing part (factor), when we know one part and the total (product).


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