MODE

Mode
- The number that shows up the MOST

Perpendicular lines
- Lines in that same plane that intersect at 90 degrees angle.

Intersecting

- Where two lines that meet or cross

Parallel lines
- Lines in the same plane that never cross or intersect

Angle Bisector
-  line that divides an angle into two equal parts

Outcome

- One possible result of a probability experiment

BEDMAS Question

8+6x2x3-(15-13)

Brackets? Yes

15-13=2

8+6x2x3-2

Exponents? No

Multiplication or Division? Multiplication

6x2=12

8+12x3-2

Multiplication AGAIN

3x12=36

8+36-2

Addition or Subtraction? Addition

8+36=44

44-2

Addition or Subtraction? Subtraction

44-2

Answer:42

BEDMAS Question

2+3x4-5

Brackets? No

Exponents? No

Multiplication or Division? Multiplication

3x4=12

2+12-5

Addition or Subtraction? Addition

2+12=14

Addition or Subtraction? Subtraction

14-5=9

Answer:9

Expression

Expression is any single number or varible, or combinations of operations involving numbers and varibles

E.g. 5, n, 8t, x+1, 2y-7

Constant

Constant is a number that does not change and it increases or decreases the value of an expression

Numberical Coefficient

Numberical Coeficcient is a number that multiples the varible.

E.g.

Varible

Varible is a letter that represents an unknown number

E.g. S, T, N

S+2=G

Simplest form is a fraction simplified.

6÷3 2

-- -- = --

9÷3 3

The simplest form of 6 over 9 is 2 over 3

A Numerator Is the top part of the fraction.

15 ← Numerator

----

16

A Denominator tells how many equal parts are in a whole, and its at the bottom at the fraction

15 ←

----

16 ← Denominator

Divisibility rule for 9

The sum of the digits is divisible by 9

e.g - Random number: 1897236. Then you have to add them all up - 1+8+9+7+2+3+6 =36... If you don't if 36 is divisible by 9, then add 3 and 6... 3+6=9. 9 is divisible by 9, so 1897236 is divisible by 9.

Random number: 37836547. 3+7+8+3+6+5+4+7= 43, 4+3= 7. 7 is not divisible by 9, so 37836547 is not divisible by 9.

Order of Operation

4x3+12÷2
=12+12÷2
=12+6
=18













Here is a helpful link-
http://mathcentral.uregina.ca/QQ/database/QQ.09.07/h/brit1.html