2 Improper Fractions_lesson2

8/4/2019 2 Improper Fractions_lesson2

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Maths/Fractions Slide Show : Improper Fractions

Improper Fractions

WALT:

Understand mixed

numbers

and improper fractions


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These numbers are calledfractions

12 31556

23 47

1222


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Maths/Fractions Slide Show : Mixed Fractions

These numbers are calledmixed numbers

35 148

13

49

1 22 5


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These numbers are calledImproperfractions2

20158673 117

122


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What do you notice about

Improperfractions?2 2015

8673 117

122


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All the improper fractions have thetop number bigger than thebottom number.

3220

158673 117

122

That means that these improperfractions are greater than 1.


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Improper fractions are greaterthan 1.

32


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Call outImproper fraction

orfraction

when you see each number

Ready ?


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Improper fraction or fraction

23


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24


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82


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25


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49


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113


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So an improperfraction has abigger number at

the top.


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Maths/Fractions Slide Show : Improper fractions and mixed numbers

Remember these are calledmixed numbers

35 14

8

13

49

1 22 5


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Improper fractionscan be written asmixed numbers.


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Call out what the number isImproper fractionor

mixed number


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improper fraction or mixed number

42


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483


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2 25


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14 14


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Maths/Fractions Slide Show : Renaming a mixed number to an improper fraction

This number canalso be written as

12

32


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can youexplain why?

12

32


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12

32

mixed number

Improper fraction


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24

94

mixed number

Improper fraction


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Here is the link5 13 1635 x 3 = 15 then add the 1

and you get 16 thirds


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here is the link2 25 1252 x 5= 10 then add the 2

and you get 12 fifths


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here is the link.4 56 2964 x 6 = 24 then add the 5

and you get 29 sixths


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Now try these on the paper providedwith your child..2 23 ?3


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And this one.1 34 ?4


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And this one.1 68 ??


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And this one.5 13 ??


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Now try these at homeWALT: To rename mixed numbersto make an improper fraction.

3 3623 5 1324 2 56four and a halfthree and two thirdsfive and a quarter


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Answers

21653 163104 176

nine halveseleven thirdstwenty one quarters


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Try these at home too.WALT: to understand link between mixednumbers and improper fractions

3 3623 2 1324 4 56 6 241 3 2 4 7 21 2 5 6 3 5

23 23 29 23 23 2535 14 23 23 25 23

(a) (b) (c)(d)

(e) (f)

(g) (h) (i) (j) (k) (l)

(m) (n) (o) (q)(p) (r)


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Answers

21683 73184 296 26453 113 209 143 233 12585 94 173 203 175 173

(a) (b) (c)(d)

(e) (f)

(g) (h) (i) (j) (k) (l)

(m) (n) (o) (q)(p) (r)


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So an improperfraction can bewritten as a mixed

number.


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M th /F ti Slid Sh R i i d b t i f ti

End of this lesson,any questions orcomments?

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