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Fractions Fractions

Fractions. What is 1 of £32? 2 What is 1 of £32? 2 Answer: £16

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FractionsFractions

What is 1 of £32? 2

What is 1 of £32? 2

Answer: £16

What is 1 of £32? 4

What is 1 of £32? 4

Answer: £8

What is 3 of £32? 4

What is 3 of £32? 4

Answer: £24

What is 3 x 32? 4

What is 3 x 32? 4

Answer: 24

So3 of 32 is the same as4

3 x 324

How do we multiply How do we multiply fractions?fractions?

2 x 5 = 3 x 6

How do we multiply How do we multiply fractions?fractions?

2 x 5 = 3 x 6

x

How do we multiply How do we multiply fractions?fractions?

2 x 5 = 103 x 6

x

How do we multiply How do we multiply fractions?fractions?

2 x 5 = 103 x 6

x

x

How do we multiply How do we multiply fractions?fractions?

2 x 5 = 103 x 6 18

x

x

How do we multiply How do we multiply fractions?fractions?

2 x 5 = 10 = 53 x 6 18 9

x

x

Work out this exampleWork out this example

8 x 7 = 9 x 10

Work out this exampleWork out this example

8 x 7 = 549 x 10

Work out this exampleWork out this example

8 x 7 = 549 x 10 90

Work out this exampleWork out this example

8 x 7 = 54 = 279 x 10 90 45

Answer these questions in Answer these questions in your books your books (10 mins)(10 mins)

1. 1 of 49m 4. 5 x 12

2 24

2. 2 of 21g 5. 3 x 8 3 7 10

3. 3 of 110 days 6. 9 x 4 10 11 5

Multiplying mixed numbers Multiplying mixed numbers and fractionsand fractions

1 x 3 = 5 x 4 3

Remember to convert mixed Remember to convert mixed numbers to top heavy fractionsnumbers to top heavy fractions

1 5

3 =

Remember to convert mixed Remember to convert mixed numbers to top heavy fractionsnumbers to top heavy fractions

1 5

3

x

=

Remember to convert mixed Remember to convert mixed numbers to top heavy fractionsnumbers to top heavy fractions

1 5

3

x

1. Times the denominator by the whole number

=

Remember to convert mixed Remember to convert mixed numbers to top heavy fractionsnumbers to top heavy fractions

1 5

3

x

1. Times the denominator by the whole number(In this case we get 5x3=15)

=

Remember to convert mixed Remember to convert mixed numbers to top heavy fractionsnumbers to top heavy fractions

1 5

3

+

x

1. Times the denominator by the whole number(In this case we get 5x3=15)

=

Remember to convert mixed Remember to convert mixed numbers to top heavy fractionsnumbers to top heavy fractions

1 5

3

+

x

1. Times the denominator by the whole number(In this case we get 5x3=15)

2. Add the product to the numerator

=

Remember to convert mixed Remember to convert mixed numbers to top heavy fractionsnumbers to top heavy fractions

1 5

3

+

x

1. Times the denominator by the whole number(In this case we get 5x3=15)

2. Add the product to the numerator(So 15+1=16)

=

Remember to convert mixed Remember to convert mixed numbers to top heavy fractionsnumbers to top heavy fractions

1 5

3

+

x

1. Times the denominator by the whole number

2. Add the product to the numerator

=3. Put this number over the existing

denominator

(In this case we get 5x3=15)

(So 15+1=16)

(In this case the denominator is 5)

Remember to convert mixed Remember to convert mixed numbers to top heavy fractionsnumbers to top heavy fractions

1 5

3

+

x

1. Times the denominator by the whole number

2. Add the product to the numerator

=3. Put this number over the existing

denominator

(In this case we get 5x3=15)

(So 15+1=16)

Remember to convert mixed Remember to convert mixed numbers to top heavy fractionsnumbers to top heavy fractions

1 5

3

+

x

1. Times the denominator by the whole number(In this case we get 5x3=15)

2. Add the product to the numerator(So 15+1=16)

=16 5

3. Put this number over the existingdenominator

(In this case the denominator is 5)

Multiplying mixed numbers Multiplying mixed numbers and fractionsand fractions

1 x 3 = 5 x 4 3

Multiplying mixed numbers Multiplying mixed numbers and fractionsand fractions

1 x 3 = 5 x 4

16 x 5

3

Multiplying mixed numbers Multiplying mixed numbers and fractionsand fractions

1 x 3 = 5 x 4

16 x 3 = 5 4

3

Multiplying mixed numbers Multiplying mixed numbers and fractionsand fractions

1 x 3 = 5 x 4

16 x 3 = 48 5 4 20

3

Multiplying mixed numbers Multiplying mixed numbers and fractionsand fractions

1 x 3 = 5 x 4

16 x 3 = 48 = 12 5 4 20 5

3

Multiplying mixed numbers Multiplying mixed numbers and fractionsand fractions

1 x 3 = 5 x 4

16 x 3 = 48 = 12 5 4 20 5

3

=2 25

1. 1 X 3 3 X 4

Answer these questions in Answer these questions in your books your books (10 mins)(10 mins)

2

2. 2 X 3 5 X 41 2

3. 5 X 3 7 X 41

4. 5 X 8 X 1 4

Mixed ExerciseMixed Exercise(15 mins)(15 mins)

1. 1 X 1 3 X 45 2

2. 2 + 4 7 + 7

3. 5 - 7 8+ 12

4. 2 x 11 9 x 12

5. 2 + 3 11 + 5

6. 1 - 1 2 + 5