Step 7 Objective
Use the equivalence of fractions, decimals and percentages to compare proportions; calculate percentages and find the outcome of a given percentage increase or decrease.
- Examples of what pupils should
know and be able to do - Probing questions
- What if pupils find
this a barrier?
Probing questions
Which sets of equivalent fractions, decimals and percentages do you know?
From one set that you know (e.g. 
= 0.1 = 10%), which others can you deduce?
How would you go about finding the decimal and percentage equivalents of any fraction?
How would you find out which of these is closest to 
: 
; 
; 
; 
?
Give me a fraction between and 
. How did you do it? Is it
closer to or ? How do you know? Talk me through how you would
increase or decrease a pric e of £12 by, for example, 15%.
Can you do it in a different way? How would you find the multiplier for different percentage increases/decreases?
The answer to a percentage increase question is £10.
Make up an easy question.
Make up a difficult question.