Improper fractions, mixed-numbers.
-
Upload
martagrovello -
Category
Education
-
view
809 -
download
0
description
Transcript of Improper fractions, mixed-numbers.
1
FRACTIONS
2
VOCABULARY• Fraction- a number that
describes part of a whole or part of a set.
• Numerator- top number of a fraction that tells how many parts of the whole or set you have.
3
VOCABULARY• Denominator - bottom
number of a fraction that tells how many equal parts there are in the whole or set.
• Proper fraction - little number on top(numerator); big number on bottom(denominator). Numerator < Denominator
4
VOCABULARY• Improper fraction – a fraction
with a value greater than or equal to 1. Numerator > Denominator
Numerator = Denominator
• Mixed number - a whole number and a fraction together.
5
8
5 numerator
denominator
8 equal parts in the whole
5 equal parts shaded
6
PROPER FRACTIONS
4
3
3
2
9
6small
large
7
IMPROPER FRACTIONS
3
6
4
5
5
9
small
large
8
MIXED NUMBERS
3
25
4
17
5
31
whole number
fraction
9
10
4
11
11
4
5
12
To express a mixed number as an improper fraction, first multiply the whole number by the denominator and add the numerator. Then write this sum over the denominator.
13
1= 2 x 2 + 1
2=
52
2 2
14
3
8
2 3
2
3
22
15
To express an improper fraction as a mixed number, divide the denominator into the numerator.
16
88=
2
-62
23 3
2
3
17
Express the mixed number as an improper fraction.
5
13 =
3 x 5 + 15
=5
16
18
Express the mixed number as an improper fraction.
9
85 =
5 x 9 + 89
=9
53
19
Express the improper fraction as a mixed number.
3
19= 193
6
-181
=3
16
20
Express the improper fraction as a mixed number.
6
23= 236
3
-185
=6
53
21
Express the improper fraction as a whole number.
8
32= 328
4
-320
= 4