Fractions Lesson 2 Understanding mixed numbers and improper

Fractions Lesson 2 Understanding mixed numbers and improper fractions MALT© 2006 Maths/Fractions Slide Show : Lesson 2

These numbers are called fractions 1 2 3 15 5 6 12 22 2 3 4 7 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

These numbers are called 3 2 Improper 20 fractions 15 8 6 7 3 12 2 11 7 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

What do you notice about 3 2 Improper fractions? 20 15 8 6 7 3 12 2 11 7 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

All the improper fractions have the top number bigger than the bottom number. 3 2 20 15 8 6 7 3 12 2 11 7 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

That means that these improper fractions are greater than 1. 3 2 20 15 8 6 7 3 12 2 11 7 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

That means that these improper fractions are greater than 1. 3 2 8 6 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

Shout Improper fraction or fraction when you see each number Ready ? MALT© 2006 Maths/Fractions Slide Show : Lesson 2

Shout Improper fraction or fraction when you see each number 2 3 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

Shout Improper fraction or fraction when you see each number 2 4 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

Shout Improper fraction or fraction when you see each number 8 2 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

Shout Improper fraction or fraction when you see each number 2 5 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

Shout Improper fraction or fraction when you see each number 4 9 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

Shout Improper fraction or fraction when you see each number 11 3 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

This is called a mixed number 1 1 2 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

Here are some mixed numbers 2 1 3 3 1 6 8 2 5 5 4 9 2 1 4 MALT© 2006 Maths/Fractions Slide Show : Lesson 1

Shout what the number is Improper fraction or mixed number MALT© 2006 Maths/Fractions Slide Show : Lesson 2

improper fraction or mixed number 4 2 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

improper fraction or mixed number 38 4 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

improper fraction or mixed number 2 2 5 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

improper fraction or mixed number 14 1 4 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

So an improper fraction has a bigger number at the top. MALT© 2006 Maths/Fractions Slide Show : Lesson 2

Improper fractions can be written as mixed numbers. MALT© 2006 Maths/Fractions Slide Show : Lesson 2

1 2 1 This number can also be written as 3 2 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

1 2 1 can you explain why? 3 2 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

1 2 1 mixed number 3 2 Improper fraction MALT© 2006 Maths/Fractions Slide Show : Lesson 2

2 1 4 mixed number Improper fraction 9 4 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

Try these with a friend…. . 2 2 3 ? 3 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

And this one…. 1 3 4 ? 4 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

And this one…. 4 1 2 ? 2 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

And this one…. 2 4 5 ? 5 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

And this one…. 1 6 8 ? ? MALT© 2006 Maths/Fractions Slide Show : Lesson 2

And this one…. 5 1 3 ? ? MALT© 2006 Maths/Fractions Slide Show : Lesson 2

here is the link and you get 16 thirds 5 1 3 5 x 3 = 15 16 3 then add the 1 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

here is the link and you get 12 fifths 2 2 5 2 x 5= 10 12 5 then add the 2 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

here is the link and you get 29 sixths 4 5 6 4 x 6 = 24 29 6 then add the 5 MALT© 2006 Maths/Fractions Slide Show : Lesson 2

now try these in you jotter WALT: to understand link between mixed numbers and improper fractions (a) 2 2 3 1 3 5 (g) (m) 3 3 6 3 2 1 4 (b) (h) (n) (c) (i) (o) 4 2 5 2 3 2 9 2 4 (d) (j) (p) 2 4 6 2 3 1 3 2 3 (q) (e) (k) 7 3 2 5 4 5 6 2 3 (f) (l) (r) 5 MALT© 2006 Maths/Fractions Slide Show : Lesson 2 2 2 3 2 5 6 2 4

answers (a) 8 3 (g) 5 3 (m) 8 5 (b) (h) (n) 21 6 11 3 9 4 18 4 (c) (i) (o) 20 9 17 3 (d) (j) (p) 14 3 20 3 (q) (e) 29 6 23 3 (k) 17 5 (f) 12 5 (l) (r) MALT© 2006 Maths/Fractions Slide Show : Lesson 2 17 3 26 4

So an improper fraction can be written as a mixed number. MALT© 2006 Maths/Fractions Slide Show : Lesson 2

End of this lesson, any questions or comments? MALT© 2006 Maths/Fractions Slide Show : Lesson 2