Exercise 1
Find the following percentage change:
a) 30 increased by 10%
b) 120 increased by 13%
c) 34 decreased by 20%
d) 105 increased by 6%
e) 55 decreased by 5%
f) 45 decreased by 25.5%
Exercise 2
Find the following percentages:
a) 12% of 480
b) 38% of 120
a) 12% of 480
b) 38% of 120
c) 29% of 48
d) 5% of 180
e) 2% of 80
f) 123% of 70
Exercise 3
Lesson
Title: Index Laws & Standard Form
Room 28
Learning Objectives
Grade D
To be able to demonstrate how to calculate with numbers written in index form.
What is 36 in ordinary form?
Grade C
To be able to demonstrate how to multiply and divide with numbers written in index form.
Why is 32 x 34 = 36 ?
Grade B
To be able to use and convert numbers into Standard Form.
How do we write 2,345,000 or 0.000345 in standard form?
Grade C
Jigsaw Matching Exercise (print)
Grade B
Introduce the idea to large distances are hard to write down - eg. distance to sun
Use the "Scale through the universe" link to support this.
Homework
Learning Objective for next lesson:
Grade D
To be able to demonstrate how to calculate with numbers written in index form.
What is 36 in ordinary form?
Grade C
To be able to demonstrate how to multiply and divide with numbers written in index form.
Why is 32 x 34 = 36 ?
Grade B
To be able to use and convert numbers into Standard Form.
How do we write 2,345,000 or 0.000345 in standard form?
