LibGuides: Grade 9: Math: Number Sense and Algebra

Suggested Databases

Gizmos Mathematics This link opens in a new window
Gizmos are interactive math simulations for grades 9-12. Over 400 Gizmos aligned to the latest standards help educators bring powerful new learning experiences to the classroom. (REGISTRATION NUMBER REQUIRED FOR HOME DOWNLOAD)
Science in Context This link opens in a new window
Yes there are lots of math articles in here! Just enter your search term (e.g. "Algebra") and find articles, videos & lots of helpful information.
Math Homework Help - TVO Mathify This link opens in a new window
TVO Mathify. Chat tutor help, interactive tutorials, mini-lessons supporting students in grades 7-12 math.

Purple Math - Translating Word Problems
Learn the how to translate English terminology into math terminology! This is one of the best websites for getting help in math.

Logins for all VLC databases are found on the back of the VLC Bookmark.

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Basic Exponent Rules
Learn the basic rules of exponents from Purple Math! Video instruction is included.
Exponential Rules & Monomials
Learn how to multiply & divide monomials.
Power of a Power Rule
Review the power of a power rule. An overview of basic rules of exponents is also provided.

Polynomials: Definition & Evaluation
Purple Math explains what a polynomial is and what it does or does not look like.
Polynomial Factoring
Learn about polynomial factoring step-by-step from Purple Math. Video instruction is included.

Rates, Ratio & Proportion
This video provided by Khan Academy. It includes instruction on rates, ratio & proportion including word problems.
Fun Article - Connection between Ratios & Beauty
Have you heard of the "Golden Ratio?" Did you know that there is math behind what we view as beautiful? Learn more here. Be sure to check out the links at the bottom of the page too!

Linear Equations
Purple Math shows you what a linear equation is and how to solve it step-by-step. A video is included.

Math Antics Videos - A Complete Review of Fractions
Check out Math Antics on YouTube. These excellent videos provide a series of instruction on all things related to fractions.
How to Multiply Fractions
Watch this video to help you remember how to multiply fractions.
Math Antics - Percent & Problem Solving Videos
Check out Math Antics on YouTube. This series of fun instructional videos provides a great overview of percent and solving percent word problem.