Transcript Decimals, Fractions and Percentages 17/07/06

Decimals, Fractions and
Percentages 17/07/06
Aim : revise place value and
equivalence between fractions,
decimals and percentage.
Place Value
Pi = 3.1415927
to 7 decimal places
1. What column is the 3 in?
2. What is the meaning of the 4?
Ordering Numbers
1. Which is bigger 0.03 or 0.003?
2. Why?
3. Put the following list of numbers in order from
smallest to highest?
7.023 7.29
7.033 7.3
Hint: Look at the largest columns first eg white,
red, yellow then green:
7.023 7.29
7.033 7.3
Answer : 7.023 7.033 7.29 7.3
Writing Fractions as Decimals
and Decimals as Fractions
Write these decimals as fractions:
1. 0.3
2. 0.25
3. 0.041
Write these fractions as decimals:
1. 5 tenths
2. 1/100
3. 23/100
Simple Fractions and Percentages
1)
Draw a rectangle that is 4 squares by 5 squares.
a) Colour ¼ red.
b) Colour ½ blue.
c) What percentage is not coloured?
d) What percentage is red?