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 […]
Probability tree diagrams make answering probability questions much easier. Make sure you can draw tree diagrams. Key facts Multiply the numbers along the branches to get end results The numbers on any set of branches that meet at a point must always add up to 1 Check your diagram is correct by checking that the […]