whole number fraction
TRANSCRIPT
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8/2/2019 Whole Number Fraction
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Topic 1: Whole Numbers
Combined Operations
Example:
Calculate the value of15 + 6 x 25 225 15
Exercise:
1. Calculate the value of
(a) 1000 (2 + 8)(45 43) - 13
(b) (102 12)(53 40) - 42
(c) 10 + (6 1) 5
(d) 150 66 2 + 22
(d) 160 225 5 2+
(e) 5501225 +
(f) 18384120 +
2. PMR 2005
Calculate the value of 96 3(12 + 48 6)
Topic 2 : Fractions
Example:
1. Addition and subtraction
=+4
3
3
2
2. Multiplications
1 8
4 9 =
o Simplifyo rdenomeratordenomerato
numeratornumerator
BODMAS
o Bracketo Multiplications or division
from left to right
o Addition or subtractionfrom left to ri ht
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2
3. Divisions
2 =6
5
3
2
o Convert mixed number to a improperfraction
o Change the sign to xo Solve
4. Combined Operations
Example:
Calculate the value of fraction below and express your
answer as a fraction in the lowest term
(a)4
31)
3
2
2
11(
(b)4
31
3
2
2
11
Exercise 1:
Calculate the value of fraction below and express your
answer as a fraction in the lowest term
1. )4
1
8
5(
4
3+
2. )3
13(
3
1
3.5
3)
4
1
5
4( +
4.
3
2
2
11
12
1
BODMAS
o Bracketo Multiplications or division from
left to right
o Addition or subtraction from leftto ri ht
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3
5.
2
1
5
4
5
3
6.5
4
7
3
5
21 x
7.2
12
4
3
3
2+
8. )4
1
5
2(
4
3
9.27
2)
2
11
4
33( x
10.4
11
6
1
4
1+
PMR 2004
11. )4
1
8
5(
4
3+
PMR 2005
12.
32
54
811