Maths Dictionary Created by Skills for Working Life Gravesend.
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Transcript of Maths Dictionary Created by Skills for Working Life Gravesend.
Fractions
A fraction is a part of a whole
This shows 1 (a whole)
This shows a circle in ½ (half)
This shows a ¼ (quarter) of a square
This shows ¾ (three quarters) of a circle
Maria
Counting squares
A square centimetre is the area within a square with sides of length , as shown above.
We say that it has an area of ( squared).
This rectangle contains six squares. Each of the squares has an area of , so the area of the rectangle is .
Area
Peter
The area inside the square you count. If each side of a tile is 1 unit in lengthHow many different rectangles can you build with on area of 12 square units?
Peter
Two-Dimensional A shape that only has two dimensions (such as width
and height) and no thickness.
Squares, Circles, Triangles, etc. are two dimensional objects.
Known as "2D" shapes
Alex
2D Shapes
Triangle - 3 Sides
Square - 4 Sides
Pentagon - 5 Sides
Hexagon - 6 sides
Heptagon - 7 Sides
Octagon - 8 Sides
Alex
More 2D shapes
Nonagon - 9 Sides
Decagon - 10 Sides
The word Quadrilateral means 4 sided shape
Quadrilateral
Any 4 sided 2D shape
Rectangle - 4 Sides
All right angles
Alex
Money
You need money to buy food and drink. Most people work to get money.
These are the coins/notes we use in England.
1p
2p
5p
Maria
Money Continued
10p
20p
50p£1.00
£2.00
Maria
£5 £10
Money Continued
£20£50
Maria
• The basic idea of multiplication is repeated
addition• For example 5 x
3=5+5+5=15 or 3 x 5 = 3+3+3+3+3=15
MultiplicationJJ
Using a Protractor
This is a protractor, it helps you measure angles (in degrees):
Alex
Sphere A sphere is a round 3D shape and it has no edges or verticals and it is a perfectly symmetrical.This is the shape of Planet Earth and the rest of the solar system.Chloe