(2/15) Factoring Expressions

Wednesday

February 8, 2022

1.

Temperature Check

2.

Warm Up: Number of the Day

3.

Standards & Learning Targets

4.

Lesson

5.

Exit Ticket

Open Ended

WARM UP:

Watch the video and asnwer the following question:

When you think about the long history of Black American's achievements in mathematics, what role will you play in continuing this history?

Factoring Expressions

AVA High School
Algebra 1
Mr. Daigre

Lesson Question

What patterns emerge when solving expressions?

Learning Targets:

In Simple Words

• I can factor expressions using prime factorization

• I can factor exprssions using the trinomial method

Vocabulary

Variable

• Symbol for a number we don't know yet

Multiple Choice

What is the variable in this expression?

4x + 8

• 4

• x

• +

• 8

Vocabulary

Constant

• a number on its own

Multiple Choice

What is the constant in this expression?

4x + 8

• 4

• x

• +

• 8

Vocabulary

Coefficient

• a number that multiplies a variable

Multiple Choice

What is the coefficient in this expression?

4x + 8

• 4

• x

• +

• 8

Vocabulary

Operator

• a symbol that shows a mathematical action

Multiple Choice

What is the operator in this expression?

4x + 8

• 4

• x

• +

• 8

The Parts of the Equation

• variable

• constant

• coefficient

• operator

Fill in the Blanks

In the equation, 25 - 8x = y, the x and the y are

s.

Fill in the Blanks

In the equation, 25 - 8x = y, the

is a coefficient.

Fill in the Blanks

In the equation, 25 - 8x = y, the 25 is a

.

Fill in the Blanks

In the equation, 25 - 8x = y, there are two operators. The minus sign and the

sign.

Prime Factorization

Break down the numbers (& variables) into their prime factors

What are prime factors?

• factors are the numbers that you multiply together during multiplication

• prime numbers are numbers that only have 2 two factors; 1 and itself

Open Ended

Therefore, prime factors are ...

Prime Factorization

Prime Factors

All of the prime numbers that multiply together to get a number

Prime Factorization

​Example 1: 32

​Example 2:

​Example 3:

Open Ended

Factor 18 + 9x

Open Ended

Factor 28x + 12

Open Ended

Factor $$4x^2\ +16x$$

Go to your Zoom breakout room, and work the 3 practice problems with your group members. I will be going from group to group assisting as needed.

Practice Time

​Jamboard Link: https://jamboard.google.com/d/132fdajC8TJqh4xU8RumqoRSLkWnVSDGovgaiZ8RQqdY/edit?usp=sharing

Lesson Review

Lesson Question

What patterns emerge when solving expressions?

Open Ended

Lesson Question: ​What patterns emerge when solving expressions

Complete the Exit Ticket (2/15)

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