Writing Expressions
Parts of an Expression
Simplifying Expressions
Evaluating Expressions
100
Write an expression for the product of 3 and w.
What is 3w?
100

2z + 9 Identify the constant.

What is 9?

100

4p + 2p 

What is 6p?

100

Evaluate p + 9 when p = 6.

15

200

Write an expression for 15 less than w.

What is w - 15?

200

Identify the coefficient:  2z + 9

2

200

4(x - 5)

4x - 20

200

Evaluate the expression for 8 - g when g is 3.

5

300

Write an expression for the difference of twice p and 9.

What is 2p - 9?

300

In the algebraic expression 4z + 7p + 18q + 2r identify the number of terms.

four

300

4x + 3 + 8x + 7

12x + 10

300

Evaluate the expression for 4w + 2 when w is 5.

22  (cue Taylor Swift)

400
Beverly and Ava are decorating cookies. They have already decorated 12 cookies and they decorate 10 cookies per hour. Write an expression that shows how many cookies they decorate in all, based on x hours. 

12 + 10x   or   10x + 12

400
The expression is x + 12. State the coefficient of x.
What is 1?
400

9p + 8 + 3r + 2p - 2r

11p + 1r + 8

400

Evaluate the expression rz - 9 when r is 7 and z is 4.

19

500

Write an expression for the difference of r and 8 times 9.

9(r - 8)   or    (r - 8) * 9

500

What is the constant in this expression?  9x - 4

-4

500

5(2x + 6) + 12x

22x + 30

500

Evaluate the expression x^2  - 5   when x=4

11

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