# 7.U5A.L1-2.Variables and Algebraic Expressions

Unit 5A, Lesson 1 and 2
Variables and Algebraic Expressions
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Slide 1: Slide

This lesson contains 8 slides, with interactive quizzes and text slides.

## Items in this lesson

Unit 5A, Lesson 1 and 2
Variables and Algebraic Expressions

#### Slide 1 -Slide

Camdyn earns 5 dollars per hour for housework. Nick earns 2 more dollars an hour. Pick the expression that matches the amount Nick earns per hour.
A
5
B
5-2
C
5+2
D
2

#### Slide 2 -Quiz

What if we don't know how much Camdyn earns? How would that change our expression?
A
we can't write an expression
B
we use the same expression
C
we can pick any amount for Camdyn
D
we can replace the amount with x

#### Slide 3 -Quiz

What do you remember about Variables?
Variables

#### Slide 4 -Mind map

Which letter can be a variable?
A
any letter
B
no letters
C
x
D
y

#### Slide 5 -Quiz

Match the expression with the word phrases
three more than a number
eight goes into a number
the product of six and a number
fifteen less than a number
x+3
y/8
6n
z-15

#### Slide 6 -Drag question

Identify the terms, the constants, and the coefficients of the following expression.
30x+10

#### Slide 7 -Open question

Find and Combine the Like Terms
y + 1.2y + 1.2z

2 + 17x – 5x + 9

3(5y + 6) – 4