Uploaded by J Sullivan

Converting percentages to fractions and back lesson

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Fraction – A
number
written with a
numerator and
a denominator
Fundamental
1. Write down
the first 6
cube
number
Decimal – A
number with a
decimal point
written in it
Last Lesso
3⁄
10
as a decima
Last wee
1
of 10
6
2. Work out
112.4-15.9
Last ter
3. Work out -3-
Percentage – A
number
written as a
proportion of
100
Round 2.8251 to 2 d.
Last yea
330 ÷ 1
4. Work out
58x3
5. Work out
0.11x0.
Knowledge Recall
What do you call an angle on the inside
of a polygon?
p
:
l
5
3
n
k
r
s
m
8
8
1
5
7
Learning intention: To convert between amounts expressed as fractions, percentages and decimals
MATHS
Fractions, Decimals & Percentages CHECK IN
Fractions, Decimals & Percentages
Success Criteria
Is the answer to:
Convert the following
into fractions.
a) 10%
b) 15%
c) 12%
d) 2.5%
Is the answer to:
3. Convert these exam results
to percentages:
50
Is the answer to:
4. Sophia says:
35% is more
than 6 ?
15
Is Sophia correct?
Explain your answer.
HINT: Try to make these the
same type of number
Learning intention: To convert between amounts expressed as fractions, percentages and decimals
Fractions, Decimals & Percentages
YOUR TURN
MY TURN
Rewrite percentages as fractions
1. 70%
a) 39%
b) 28%
Learning intention: To convert between amounts expressed as fractions, percentages and decimals
Fractions, Decimals & Percentages
YOUR TURN
MY TURN
Rewrite fractions as percentages
4
5
Rewrite fractions as percentages
3
a)
20
17
b)
25
Learning intention: To convert between amounts expressed as fractions, percentages and decimals
Fractions, Decimals & Percentages
Rewrite percentages as fractions
a) 60%
b) 32%
c) 12.8%
HINGE QUESTION: TIME FOR ME TO SHOW WHAT I CAN DO
Rewrite fractions as percentages
a)
9
20
b)
63
25
c)
5
8
Learning intention: To convert between amounts expressed as fractions, percentages and decimals
Fractions, Decimals & Percentages
Success Criteria
Is the answer to:
Convert the following
into fractions.
a) 10%
b) 15%
c) 12%
d) 2.5%
Is the answer to:
3. Convert these exam results
to percentages:
50
Is the answer to:
4. Sophia says:
35% is more
than 6 ?
15
Is Sophia correct?
Explain your answer.
HINT: Try to make these the
same type of number
Learning intention: To convert between amounts expressed as fractions, percentages and decimals
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