Room 28
Learning Objectives
Grade D
To be able to use a percentage increases
and decreases.
A coat which costs £35 is reduced by 12.5%
in a sale - how much
do you now pay?
Grade C
To be able to calculate a percentage
increases and decreases.
A coat which costs £35 is reduced to £25 in
a sale - what is this
percentage change?
To know how to calculate compound interest
and investigate how it differs to simple interest.
I invest £1200 for 3 years at an interest
rate of 3.5% - how much
money do I have after 3 years?
Resources
Practice converting percentages into decimals.
Grade D
Increases and decreases of percentages.
MyMaths
MyMaths
Grade C
Calculating percentage changes
Introduce students to the idea of
percentage change
Homework
Learning Objective for the next lesson:
Grade E
To be able to use measures of averages to
investigate problems.
Why is the best average to use? What does
the average tell us
about the numbers?
Grade D
To be able to demonstrate the method for
finding the mean from a frequency table of discrete data.
What are the advantages of finding the mean
from a table?
Grade C
To be able to demonstrate the method for
finding an estimate of the mean from a grouped frequency table of continuous
data
Why can we not find the exact answer?
Due

