Evaluating Algebraic Expressions

Evaluating Algebraic Expressions

How can you evaluate an algebraic expression?

$0.20c + $0.90

Sports cards cost $0.20 per card, plus $0.90 for their box. How much would a box of 10 cards cost?

$0.20c + $0.90

1. Substitute a value for the variable.

2. Rewrite the new expression:

$0.20 x 10 + $0.90

3. Evaluate using Order of Operations.

Multiple Select

Choose all that apply:

Which expressions mean multiplication?

• $3\left(2\right)$

• $4b$

• $6\cdot7$
  

• $5\div2$

Multiple Choice

Evaluate when t = 6.

 $2t-4$  

• 4

• 6

• 8

• 10

Multiple Choice

Evaluate when x = 3.

 $6x+4$  

• 13

• 22

• 6

• 7

Fill in the Blanks

Evaluate when x = 6

 $14+x\div2$  

Fill in the Blanks

Evaluate when x = 8

 $x+2x$