Properties of Multiplication

Properties of Multiplication
Lesson 7

Let's look at this problem

Multiple Choice

What multiplication property is it?

• identity property

• Commutative Property

• Distributive Property

• Associative Property

Commutative property

Any way you multiply the factors, the product stays the same.

Chad reads books at the library each week for 6 weeks. He reads 3 books each week. Mia reads books at the library for 3 weeks. She reads 6 books each week. Who reads more books at the library, Chad or Mia?

Multiple Choice

Chad reads books at the library each week for 6 weeks. He reads 3 books each week. Mia reads books at the library for 3 weeks. She reads 6 books each week. Who reads more books at the library, Chad or Mia?

Which multiplication problem can be used for Mia?

• 6 X 6

• 3 X 6

• 6 X 3

• 6 X 6 X 3

Multiple Choice

Chad reads books at the library each week for 6 weeks. He reads 3 books each week. Mia reads books at the library for 3 weeks. She reads 6 books each week. Who reads more books at the library, Chad or Mia?

Which multiplication problem can be used for Chad?

• 6 X 6

• 3 X 6

• 6 X 3

• 6 X 6 X 3

Multiple Choice

So who read more?

• Chad

• Mia

• Neither

​Sometimes you need to multiply 3 numbers together. You can use parenthesis ( ) to show which two numbers you want to multiply first.

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Associative Property

​Jayden buys 4 boxes of hot dogs. Each box has 2 packs. Each pack has 5 hot dogs. How many hot dogs does she buy?
This can be written as (4x2)x5=40 or 4x(2x5)=40

Read this problem

Nykole decorates her pair of gloves with plastic jewels. SHe glues 3 jewels onto each finger and thumb. How many jewels does she use?

Math Response

How many is in a pair?

Type answer here

Correct Answer: 2

Deg^°

Rad

Math Response

How many fingers are on each hand?

Type answer here

Correct Answer: 5

Deg^°

Rad

Math Response

So what would the equation be for 2 gloves with 5 fingers and 3 jewels on each.

Type answer here

Correct Answer: 2\times5\times3

Deg^°

Rad

So let's look at the problem

2 x 5 x 3 can be written as (2 x 5) x 3 or 2 x (5 x 3)

Math Response

What is the product?

Type answer here

Correct Answer: 30

Deg^°

Rad