# Multiplication strategies

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##### Intros

###### Lessons

- Introduction to Multiplication Strategies:
- Using addition and arrays to understand multiplication
- Breaking down multiplication facts into smaller groupsr
- A product can be found using a smaller product and a sum
- A product can be found using a bigger product and a difference
- Patterns to know for memorizing multiples of 9
- Finger method of 9 times tables

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##### Examples

###### Lessons

**Understanding products using smaller products**

Turn the product into the sum of two smaller group products.**Describing multiplication array models - 1**

Fill in the blanks to describe:- the product shown in the array and
- the sum written with the smaller product

**Describing multiplication array models - 2**

Fill in the blanks to turn the product into a smaller product and sum.

Use an array model to help fill in the blanks.**Multiplication and array models with subtraction**

Fill in the blanks to turn the product into a bigger product and a difference.**Relating multiplication and addition concepts**

Find the answer using the given product.**Multiplication with 9-times tables strategy: word problems**

Use the finger method for 9-times tables to solve.- If you put down the fourth finger, what is the 9-times tables multiplication sentence that is represented?
- If you put down the fourth finger, it represents a 9-times table fact. What finger do you need to put down for the opposite answer (when the answer's digits are flipped/mirrored)? Write the multiplication sentence for the 9-times table fact with the opposite answer

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