Math 3-5
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Grade 5 strategies brochure
Grade 4 strategies brochure

Grade 3

Addition Strategies Grade 3

Expanded Form/Place Value, Open Number Line and Adding in Chunks
https://www.youtube.com/watch?v=4RbxgeTV0F0

Addition and Subtraction- Break Apart Strategy by Place Value
https://www.youtube.com/watch?v=69b5QZDTQ3w

Subtraction
https://www.youtube.com/watch?v=3bD_RGI5RLE

Compensating and Subtracting Strategy
https://www.youtube.com/watch?v=JQZwdWPQvEA

Multiplication
Multiplication Strategies Grade 3
https://www.youtube.com/watch?v=vczu9agvF4g

Compensating with multiplication facts
https://www.youtube.com/watch?v=Xd_U290piio

Area Model for multiplication
2- digit by 1- digit
https://www.youtube.com/watch?v=qdYV6i-kXcA

3- digit by 1, 2-digit by 2-digit and 3-digit by 2-digit
https://www.youtube.com/watch?v=3EIBMzDdCd0

Break Apart Strategy
https://www.youtube.com/watch?v=A7LqRjcx0Cs

Division

Break Apart Division
https://www.youtube.com/watch?v=2bfrZOgWUbg

Friendly Number/ Partial Quotient Division
https://www.youtube.com/watch?v=dplLYodUPoI

Area Model for Division
https://www.youtube.com/watch?v=6c1TgLnVlc0
https://www.youtube.com/watch?v=xdqagnwrxSE

Basic Multiplication Strategies for Grade 3

Doubling Patterns with Multiplication Facts

·         Is a multiplication strategy

·         Can be used when you multiply by 2, 4 and 8

·         Can be used with 3 and 6 tables.

Example:

2 x 5 =10 so 4 x 5 =20

 

 Multiplying by 5s or 10s

 

Multiply by 5- Product ends in a 0 or 5

 

Multiply by 10-Product ends in a 0

Break Apart

 

To help with more complex problems like

6 x 8

 

Break apart one number

For example break

8 into 4 + 4

Go 6 x 4 =24

    6 x 4= 24

24 + 24 =48 so 6 x 8 =48