Sread Sheet

A spread sheet organizes data in columns and rows.

Probability

Experiment probability- actually doing the trails
Theoretical probability- what you expect to happen

Variable

Variable is an unknown number

expression contains variables, operations, and numbers, in any combination.

Integers

Integers

Negative numbers represent values below zero and positive numbers represent values above zero.

eg. above and below ground or sea level
1+ (-2)=(-1) is an addition statement
3-(-1)=4 is a subtraction statement

Transformations

Translation- slide along a straight line
Rotation- turn about a fixed point
Reflection- mirror image

Divisibilty Rules

Divisibility rules

0- end in zero
1- all numbers
2- even numbers
3- sum of the digits is twice
4- divisible by twice
5- ends in a 0 or 5
6- divisible by 2 and 3
8- divisible by 2 thrice
9- sum of the digits is 9
10- ends in 0

Mean, Median, Mode, Range, Outlier definitions

Mean- add up all values divide by how many values there are.

Median- the middle number in a set of ordered values, might be the mean of 2 middle values.

Mode- the value that shows up the most.

Range- positive difference between largest and smallest.

Outlier- values that are too big or too small compared to the other values.