Fractions Lesson 2
Understanding mixed numbers
and improper fractions
WALT:
• Identify mixed numbers and improper fractions.
• Change mixed numbers to improper fractions and visa versa
• Understand mixed numbers and improper fractions by drawing / modelling
These numbers are called
fractions12 3
15
56
23
47
1222
These numbers are called
Improper fractions3
2 2015
86
73 11
7
12 2
What do you notice about
Improper fractions?3
2 2015
86
73 11
7
12 2
All the improper fractions have the top number
bigger than the bottom number.
32 20
15
86
73 11
7
12 2
That means that these improper fractions are
greater than 1.
32 20
15
86
73 11
7
12 2
That means that these improper fractions are
greater than 1.
32
86
Shout out
Improper fraction or fraction
when you see each number
Ready ?
Shout out
Improper fraction or fraction
when you see each number
23
Shout out
Improper fraction or fraction
when you see each number
24
Shout out
Improper fraction or fraction
when you see each number
82
Shout out
Improper fraction or fraction
when you see each number
25
Shout out
Improper fraction or fraction
when you see each number
49
Shout out
Improper fraction or fraction
when you see each number
11 3
This is called a
mixed number
112
Here are some
mixed numbers
325
146
8
13
49
1 22 5
Shout out what the number is
Improper fraction or
mixed number
improper fraction or mixed number
4
2
improper fraction or mixed number
4
83
improper fraction or mixed number
22
5
improper fraction or mixed number
141
4
So an improper fraction has a bigger number
at the top.
Improper fractions can be written as
mixed numbers.
This number can also be written as
112
32
can you explain why?
112
32
112
32
mixed number
Improper fraction
214
94
mixed number
Improper fraction
Try these with a
friend…..2 23
?3
And this one….
1 34
?4
And this one….
4 12
?2
And this one….
2 45
?5
And this one….
1 68
??
And this one….
5 13
??
here is the link
5 13
16 3
5 x 3 = 15 then add the 1
and you get 16 thirds
here is the link
2 25
12 5
2 x 5= 10 then add the 2
and you get 12 fifths
here is the link
4 56
29 6
4 x 6 = 24 then add the 5
and you get 29 sixths
now try these in you maths book
WALT: to understand link between mixed numbers and improper fractions
33622
3 21342
4 456 62
4
1 3 2 4 7 2
1 2 5 6 3 5
23
23
29
23
23
25
35
14
23
23
25
23
(a) (b) (c) (d) (e) (f)
(g) (h) (i) (j) (k) (l)
(m)
(n) (o) (q)(p) (r)
answers
21 6
83
73
18 4
29 6
26 4
53
11 3
20 9
14 3
23 3
12 5
85
94
17 3
20 3
17 5
17 3
(a) (b) (c) (d) (e) (f)
(g) (h) (i) (j) (k) (l)
(m)
(n) (o) (q)(p) (r)
So an improper fraction can be
written as a mixed number.
End of this lesson, any questions or comments?