Watch this video then complete the Lattice Multiplication worksheet.

Watch this video then complete the Lattice Multiplication worksheet.

**WALT: **

- Identify the Highest common factor of two or more numbers
- Create a factor tree

Read through the information about prime factors

(There will be more than one type of factor tree)

ANSWER THE FOLLOWING QUESTIONS

- Use a factor tree to write 90 as a product of its prime factors
- Use a factor tree to find 400 as a product of its prime factors
- Use a factor tree to find 800 as a product of its prime factors
- Use a factor tree to find 1200 as a product of its prime factor

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**Skip counting You Tube Videos**

The following song are popular songs with lyrics changes to teach skip counting and multiplication facts.

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