AA C&C Matrix Algebra Lesson

1. I can determine the order of a matrix.

2. I can identify matrix elements.

3. I can perform matrix addition & subtraction.

​Success Criteria:

AA.PAR.6 Represent data with matrices, perform mathematical operations, and solve systems of linear equations leading to real-world linear programming applications.

​Standard:

Matrix Algebra

​The order​ of a matrix is defined to be:

Number of Rows × Number of Columns

​

VOCABULARY:

EXAMPLES

​Order

EXAMPLES

​Got it?

​Order

Multiple Choice

Determine the order of the given matrix.

• $$3\ x\ 2$$

• $$2\ x\ 3$$

• $$9\ x\ 4$$

• $$6$$

Fill in the Blanks

EXAMPLES

​Elements

EXAMPLES

​Elements

EXAMPLES

​Elements

​Mmhmm...Undefined

Multiple Choice

For the matrix C given here, determine the value of the element c_34.

• $$undefined$$

• $$-10$$

• $$3$$

• $$0$$

Fill in the Blanks

Simply ​add or subtract the elements in the same position!

VOCABULARY:

EXAMPLES

​Matrix Addition

EXAMPLES

​Matrix Addition

EXAMPLES

​Matrix Subtraction

​Just put together the numbers in the same spots.
Easy peasy. Let's do this!

Multiple Choice

Given the matrices A and B shown here, find A - B.

Drag and Drop

Given the matrices A and B, find A + B

First Row → ​

Placeholder

Second Row →​ ​

Placeholder

Third Row → ​

Placeholder

Fourth Row → ​

Placeholder

Drag these tiles and drop them in the correct blank above

-2       -8

3         5

2         -1

-7       -2

Link on the next page →

Now that you've finished today's lesson, it's time to complete your classwork! 😃

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