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Monday 23rd

Multiply Unit Fractions by an Integer (a whole number).

 

Warm Up:

Question:

If you forget a times table fact, what strategies can you use to help you find the answer?

 

Teaching

Example 1.

 

 

Answer (and what I want you to notice!)

 

 

The answer is 4/8, has the denominator in the answer changed or has it stayed the same?

Has the answer has been simplified? What has it been simplified to? Can you explain how to simplify a fraction?  

 

Example 2:

 

 

Answer:

When you multiply a fraction by a whole number does the denominator change?

Did you simplify the answer?

 

 

 

Example 3:

 

 

Answer:

 

Jane says 'I thought the denominator stays the same when multiplying a fraction by a whole number?'.   Could you explain to Jane why the denominator is a third instead of a sixth?

 

If Vinyath thought the answer was B, what mistake would he have made?

 

Independent Practice

Choose set 1 if you want to gain confidence, set 2 if you feel comfortable.

 

Set 1

 

 

Set 2

 

 

 

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