What does it Mean??? AIR TEST EDITION

How much in EACH…

How much PER…

How much in ONE…

UNIT RATE… DIVIDE

If this happens…

Make a Prediction for…

What’s a reasonable estimate for…

How many would you expect…

Proportion

Expressions have what in them???

A variable BUT NO EQUAL SIGN

Equations have what in them???

A variable AND an equal sign

Write an equation that represents the relationship between _____________ and __________

y=kx equations

When writing expressions or equations… what does the word per or each mean?

It’s a connecting word… it means multiplication

Scale

Scale Model

Scale Drawing

Similar Figures

Proportion

Constant

Constant of Proportionality

Constant Rate of Change

Constant of variation

The same thing as the UNIT RATE… just DIVIDE

Circumference Formulat

C = pi * d

Area formula for a circle

pi * r ²

Find the area of…

Rectangles

Parallelograms

Squares

b * h

Find the area of a…

Triangle

Trapezoid

b * h .. Divide by 2

When finding the area of a trapezoid… what’s the “trap” of the trapezoid?

gotta add the bases first

All percent problems are….

Proportion problems

What happens to the price when we see…

Discount

% off

Sale

Decreased by

Marked Down

GOES DOWN

What happens to the price with…

Tax

Tip

Markup

Increased by

GOES UP

What happens to the price when we have COMMISSION

Stays the same

Simple interest is what…

Per Year

The best Samples are…

RANDOM

Find the volume of any shape

1 - find the area of the important shape

2 - Fill it up!!!

Surface Area of a box

Triangle Trick

Proportional Graphs start at _______________ and are ____________

Start at 0 and are Straight

Cubic Yards

Cubic Feet

Cubic anything

Volume

Square Feet

Square Yards

Square Inches

Area or Surface Area

How do we find a Scale Factor

DIVIDE

How do I find mean?

add them up and divide by how many there are

How do I find Median?

put them in order and cross out till we get the number in the middle

How do I find the Range?

Biggest minus Smallest

How do I find the Mode?

The number that occurs the most