# MALT©2006 Maths/Fractions Slide Show : Lesson 6

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MALT©2006 Maths/Fractions Slide Show : Lesson 6
Fractions Lesson 6 Adding Fractions Part 1 MALT©2006 Maths/Fractions Slide Show : Lesson 6

MALT©2006 Maths/Fractions Slide Show : Lesson 6
WALT : add fractions of the same denominator. 1 4 1 4 + MALT©2006 Maths/Fractions Slide Show : Lesson 6

MALT©2006 Maths/Fractions Slide Show : Lesson 6
WALT : add fractions of the same denominator. 1 5 3 5 + MALT©2006 Maths/Fractions Slide Show : Lesson 6

3 8 2 8 + Read aloud this sum

3 8 2 8 + The fractions have the same denominator eighths

3 8 2 8 + Three eighths add two eighths equals five eighths. eighths

eighths 3 8 2 8 5 8 Three eighths add two eighths equals five eighths.
+ Three eighths add two eighths equals five eighths. eighths

4 7 2 7 6 14 Four sevenths add two sevenths equals six fourteenths.
+ Four sevenths add two sevenths equals six fourteenths. Is this correct ? Who can explain why it’s wrong ?

4 7 2 7 6 14 It’s wrong because sevenths are being added.
+ It’s wrong because sevenths are being added. So the answer must be in sevenths.

4 7 2 7 6 7 Four sevenths add two sevenths equals six sevenths.
+ Four sevenths add two sevenths equals six sevenths. The answer must be in sevenths.

You can discuss these with a friend.
O.K. some for you to try. You can discuss these with a friend. Thinking time starts now ! + 3 + 1

The answers. 7 8 5 7 + 3 + 1 7 9 5 6

1 1 5 3 5 + Read aloud this sum

1 denominator fifths 1 5 3 5 These fractions can be added
+ fifths These fractions can be added because they have the same denominator

1 1 5 3 5 So think about it like this…. One whole…………… add
+ So think about it like this…. One whole…………… add one fifth …………… add three fifths …………… equals

1 1 One and four fifths 1 5 3 5 4 5 So think about it like this….
+ So think about it like this…. One and four fifths One whole…………… add one fifth …………… add three fifths …………… equals

1 1 1 2 O.K. some for you to try. You can discuss these with a friend.
Thinking time starts now ! 1 + 3 1 + 1 1 2

The answers 1 7 8 1 + 3 1 + 1 1 5 7 1 1 2 2 5 6 7 9

eighths 7 3 8 8 How about these factions. Can we add these together ?
+ How about these factions. Can we add these together ? Yes we can because they are both eighths. eighths

7 8 3 8 + How many eighths altogether ? 10 8

7 3 8 8 10 8 How many eighths altogether ? + This is the right answer
but it is written as an improper fraction.

7 8 3 8 10 8 What is ten eighths as a mixed number? +
This is the right answer but it is written as an improper fraction. + What is ten eighths as a mixed number?

7 8 1 3 8 10 8 2 8 + We change this improper fraction into a mixed number.

7 8 1 1 3 8 10 8 2 8 1 4 + We then simplify this fraction to get this answer.

7 8 1 1 3 8 10 8 2 8 1 4 + Eighths, how many ?

7 8 1 1 3 8 10 8 2 8 1 4 + Eighths, how many ? ten

7 8 1 1 3 8 10 8 2 8 1 4 + Or see them as one whole and two eighths.

7 8 1 1 3 8 10 8 2 8 1 4 + Or see them as one whole and two eighths.

7 8 1 1 3 8 10 8 2 8 1 4 + equals

1 O.K. some for you to try. You can discuss these with a friend.
Thinking time starts now ! + 3 + 5 1

O.K. the answers. 1 1 + 3 1 6 + 5 2 7 1 1 1 2 9 1 4

MALT©2007 Maths/Fractions Slide Show : Lesson 6
end of slideshow MALT©2007 Maths/Fractions Slide Show : Lesson 6

MALT©2007 Maths/Fractions Slide Show : Lesson 6
WALT : add fractions of the same denominator. follow up tasks textbook page 40 symmetry games card games MALT©2007 Maths/Fractions Slide Show : Lesson 6

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