breaking apart big ugly multiplication problems

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Breaking Apart BIG Ugly Multiplication Problems

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Breaking Apart BIG Ugly Multiplication Problems. What do I do if I have a BIG ugly multiplication fact?????. Why break it up into smaller pieces, of course!. Wait, wait, wait. I’m still confused. What does that mean?. OK, I’ll explain. Let’s say you want to solve. 9 x 6. - PowerPoint PPT Presentation

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Page 1: Breaking Apart BIG  Ugly Multiplication Problems

Breaking ApartBIG Ugly

MultiplicationProblems

Page 2: Breaking Apart BIG  Ugly Multiplication Problems

What do I do if I have a BIG ugly multiplication fact?????

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Page 3: Breaking Apart BIG  Ugly Multiplication Problems

Why break it up into smaller pieces, of course!

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Page 4: Breaking Apart BIG  Ugly Multiplication Problems

Wait, wait, wait.

I’m still confused.

What does that mean?

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Page 5: Breaking Apart BIG  Ugly Multiplication Problems

OK, I’ll explain.

Let’s say you want to solve

Page 6: Breaking Apart BIG  Ugly Multiplication Problems

Take the biggest factor and split it into 2 pieces.

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Page 7: Breaking Apart BIG  Ugly Multiplication Problems

How do I know which

2 pieces?

Page 8: Breaking Apart BIG  Ugly Multiplication Problems

Start with facts that are easy.

Page 9: Breaking Apart BIG  Ugly Multiplication Problems

I know! I know! I know!

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Fives are easy for me!

Page 10: Breaking Apart BIG  Ugly Multiplication Problems

OK.

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Thenstart with

5.

Page 11: Breaking Apart BIG  Ugly Multiplication Problems

5 4

Page 12: Breaking Apart BIG  Ugly Multiplication Problems
Page 13: Breaking Apart BIG  Ugly Multiplication Problems

Now

Multiply multiply 5 x 6

Then multiply 4 x 6

Page 14: Breaking Apart BIG  Ugly Multiplication Problems

5 x 6 = 30 4 x 6 = 24 ____________

30 + 24 = 54

Page 15: Breaking Apart BIG  Ugly Multiplication Problems

Tah! Dah!

9 x 6 = 54

Page 16: Breaking Apart BIG  Ugly Multiplication Problems

OK.

I’ll show you another way.

Page 17: Breaking Apart BIG  Ugly Multiplication Problems

5 x 6

4 x 6

Page 18: Breaking Apart BIG  Ugly Multiplication Problems

Now, that wasn’t so hard.

It’s time for you to try.

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