The four types of transformations: Translation Enlargement Reflection Rotation Key facts to remember Translation Describe a translation using a column vector The top number in the column vector tells you how far the translation moves the shape across left or right, in the x direction The bottom number in the column vector tells you how […]
Exam time is only about 8 weeks away now. Time to start planning your revision if you haven’t already. Yes, it might be a bit boring, but come exam time you’ll be glad you organised your time effectively. Top tips for revising efficiently and effectively: Plan your revision time Don’t try to revise for too […]
Prime numbers Key facts to remember: Prime numbers do not divide by anything except themselves and 1 All prime numbers end in 1, 3, 7, or 9 How to find out if a chosen number is a prime number: Does the number end in a 1, 3, 7 or 9? If so, can it be […]
To construct a stem and leaf diagram: Arrange the data in size order, smallest to largest Group the data and make a key for your diagram Draw a vertical line at the left of your page Put the first digit of each group in a column to the left of the line Put the second […]
Perimeter Perimeter is the distance around a shape, measured in units Key facts o Circumference of a circle = 2 x π x r o Circumference of a circle = 2 x d (r = radius and d = diameter) Area Area is the amount of surface covered by a shape, measured in […]
The view of a shape looking down on it from above is called the plan Views of a shape looking at the front, back or sides of the shape are called elevations In order to show all the information about a 3 -dimensional shape, you often need to draw several diagrams, one plan and one […]