Lesson #5 slides

Lesson #5 slides

solving multiplication word problems

Today you will prepare for the quiz tomorrow

this is a review

these are strategies to help you solve multiplication problems

this is an array these can help you have a model to help you solve multiplication problems

this is equal groups these are like arrays,they can help you have a model for multiplication problems

this is repeated addition,since multiplication is repeated addition if you know repeated addition you know multiplication.

It could also be used like this

This is a number line.These can be used to map out a multiplication problem.

Multiple Select

Which are not strategies to solve multiplication

• Number line

• Factor

• Subtraction

• Repeated addition

This is a factor

Not a product

This is a product

Not a factor

Multiple Choice

What is this image showing

• A factor

• A product

• a sum

• a array

Multiple Select

Which are multiplication vocabulary

• product

• rainbow

• array

• sum

• factor

Multiple Choice

use repeated addition to solve this problem: 7 x 6

• 42

• 49

• 36

• 67

To multiply more than 2 numbers you have to multiply the two factors

This picture will help you

Multiple Choice

3 x 4 x 2

• 12

• 18

• 26

• 24

There is three properties in multiplication

• Commutative property

• Associative property

• Distributive property

This is the commutative property where you change the order of the factors.

This is the associative property where you change the order of the factors in a 3 number multiplication equation.

this is the distributive property where you break up a factor to make the equation easier.

Multiple Choice

What property is this

• math property

• commutative property

• distributive property

• associative property

Poll

Do you feel ready for the quiz

• yes

• no

• maybe

• not really

• mostly

Poll

Now do you understand...

• multiplication properties

• Multiplying factors

• different strategies for multiplication

• What factors and Products are

• Multiplying three factors

The end

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