Maths Notes

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Position

(n) Term

Rule ->

5 X Table

1 2 3 4 5

3 8 13 18 23 (Rule: +5)

+5 +5 +5 +5

5 10 15 20 25

Term to Position Rule =

5 n - 2

(Position x 5) - 2 = Term to position rule.

e.g. 100th term =

5 x 100 = 500

500 - 2 = 498

Prime -

A number that is only ÷ by 1 & Itself.

1 is NOT a prime Number

First prime number is 2 - only even prime number

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97

Square -

Made by multiplying numbers by themselves.

1x1=1

2x2=4

3x3=9

4x4=16

5x5=25

6x6=36

7x7=49

8x8=64

9x9=81

10x10=100

Cubed -

Multiply 3 of number together

e.g. a x a x a = __

1, 8, 27, 64

Square root -

Opposite of squaring

Cube root -

Opposite of cubing

Negative No -

http://math.about.com/od/prealgebra/ht/PostiveNeg.htm

Don't include 1 = 1x - Wrong

x - Correct

3x + 2x = 5x

7x - 6x = x

3xy + 2xy = 5xy

↑ ↑

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Same

9xy³ + 3xy³ = 12xy³

3x + 2y + 4x + 6y = 7x + 8y

2x - 3y + 7x - 2y = 9x - 5y

Sequences

Types of No°

Algebraic Substitution

Angles