Reference
7th Grade Reference Sheet8th Grade Reference Sheet
Test Preparation
These links will help you prepare for tests.
Vocabulary
Sometimes the words that are used in mathematics have specific definitions. You can find information about them here.
RatiosKhan Academy explains ratios.
Geometry Basics
Here are some words you will need to know in order to understand coordinate plane geometry and the algebra related to it.
Probability
Words related to chance and game theory/game science.
Practice
These games work on simple decimals problems.
Proportions Practice
These games work on proportion solving skills.
Proportions Practice
These games work on proportion solving skills.
Here are some simple applications and games related to solving equations.
Probability Games
Here are some games that will help with probability
Here are some games with negative numbers.
Geometry Games
These games show rotations, translations, reflections, and dilations.
These games show rotations, translations, reflections, and dilations.
Operations
These form the part of mathematics known as calculation.Division
This operation allows you to turn any two numbers (or using Order of Operation more than two numbers) into a ratio. Thus it's importance. This operation also undoes multiplication.
Exponents
This operation simplifies multiplying a number by itself many times.
Radicals
This operation is the inverse (opposite) of exponents. For our purposes, we're only dealing with square roots.
Math Facts
These are ideas that, when remembered, speed up calculation.Concepts
These are ideas that use or combine operations in ways that form new patterns.Scientific Notation
A way of writing really big or small numbers using our base 10 number system to help with the decimals.
Placing numbers on a number line
Understanding this helps us understand why negative numbers are smaller than positive ones.
Order of Operations
The agreed upon way to solve math problems with more than one operation.
Solving Equations
How to undo operations to return to an original number, even when that number is not known.
Fractions
Dealing with ratios can lead to issues. When you have them look here.
Used to find iterations of ratios and sides of similar shapes.
Reflections
How to reflect a shape or points across a line of reflection.
Translations
How to move a shape from one spot on the coordinate plane to another.
Rotations
How to rotate a shape around the origin.
Find a Missing Side Length
How to find a missing side length of a triangle.
Estimating Area
How to find remaining area of shapes when one has been removed from the other.
3D Nets
All 3D shapes are made up of 2D shapes. Here's a list of common ones.
3D Nets
Here's a video explanation.
Probability
Probability
Applications
Here we find information about how math concepts creep into daily life.Percents
Formulas
Similar to concepts, formulas are combinations of operations that typically have specific variables.How to Find Volume
Prisms and Cylinders 7th Grade & 8th Grade
Pyramids and Cones 8th Grade
Surface Area 8th Grade
Surface Area Pyramids 8th Grade
Volume
Area and volume are explained here.
Scale Factor
A concept called scale factor is explained here. There will be a part 2 of this idea coming later.
