1. Shape Names
Diameter
Radius
Tangent
Chord

2. Line Names
Perpendicular means 900
Parallel means never touches

3. 2d and 3d Shape Names
(Triangular) Prism
Cone
Pyramid
5 sides = pentagon
Cylinder
Cuboid

4. 20 Multiples Larger numbers 20,40,60,80 etc Number Names
Factors
Smaller Numbers
1,2,4,5,10,20
Square Numbers
Number x itself = square number
Prime Numbers
Only 2 numbers go into it
1 and the number itself
Eg 2,3,5,7,11

5. ˖ ˗ x Number Words Add Find the sum of Total Times Multiply
Find the product
Subtract
Take away
Differ
Find the difference

6. M D N E I A Averages – the Median
Put in order, pick out the middle one

7. MEAN MEAN Averages – the Mean
Add the numbers, then divide by how many there are

8. Perimeter

9. AREA
Split into rectangles
Area of rectangle = length x width
Add areas together

10. ESTIMATE OF THE MEAN
2 extra columns
Use mid point of groups
Mid point x frequency
Big total divided by little total

11. SCATTER DIAGRAMS
Plot the points
Line of best fit
Positive and negative correlation

12. CIRCLES Area = pi x rad2 Circumference = pi x diameter
Leave in terms of pi means treat pi as a letter

13. PYTHAGORAS
TAKE THE 2 NUMBERS
SQUARE
ADD OR SUBTRACT
SQUARE ROOT

14. FREQUENCY DIAGRAMS Frequency polygon = join midpoints of bar chart
Frequency diagram = bar chart

15. CURVED AREAS Count all the squares inside the shape.
Include the ones on the edge that are half or more inside

16. BEARINGS ANGLE MEASURED FROM THE NORTH LINE
(North line must be on zero degrees on a protractor)
MEASURED IN A CLOCKWISE DIRECTION
MUST BE WRITTEN AS THREE FIGURES
Find the bearing of B from A N
054° B A 16