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Add, Subtract and Multiply Matrices

Related Topics:
Common Core (Vector and Matrix Quantities)
Common Core for Mathematics



Examples, solutions, videos and lessons to help High School students learn how to add, subtract, and multiply matrices of appropriate dimensions.

Common Core: HSN-VM.C.8

Add and Subtract Matrices

Add and Subtract Matrices N.VM.8A
How to add and subtract one matrix with another?
Matrix addition and subtraction. Matrices Addition and Subtraction.



Multiply Matrices

Multiply Matrices N.VM.8B
How (and when) to multiply one matrix by another.
Matrix multiplication (part 1)
Multiplying two 2x2 matrices. Matrix multiplication (part 2)
More on multiplying matrices. Multiplying Matrices - Example 1 Multiplying Matrices - Example 2
In this video, we multiply a 2 x 3 matrix by a 3 x 1 matrix.

Try out our new and fun Fraction Concoction Game.

Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.

Fraction Concoction Game


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