Writing Algebraic Expressions

Jamal helped his grandmother plant her vegetable garden. He planted 3 rows of zucchini seeds and 4 rows of yellow squash seeds. Each row had s seeds. Which expression represents how many seeds Jamal planted in all?

• 3s + 4s

• 3s + 4

• 4s + 3

• 34s

Strawberries are $1.95 a pound. Write an expression for p pounds of strawberries. 

• $1.95+p

• $1.95-p

• $1.95/p

• $1.95p

Nate has 6 fewer CDs than Emily.  If c represents the number of CDs Emily has, which expression tells how many CDs Nate has?

• 6-c

• 6+c

• c-6

• c+6

Kam earned 22 extra credit points. Keith earned e fewer extra credit points than Kam. Type an expression that shows how many extra credit points Keith earned.

• $400

• $275

• $5

Your favorite local band is selling merchandise and they have asked you to write an algebraic expression to represent their total profit. They are selling t-shirts (t) for $15 each and CDs(c) for $5 each.

• $400

• $275

• $5

Tia is 8 years younger than her sister Annette. Annette is y years old. Write an algebraic expression that describes Tia's age.

Let y represent Annette's age.

Mathematical Equivalence

ON

Write an expression to represent "10 less than x cubed"

Mathematical Equivalence

ON

Write each phrase as an algebraic expression.

The sum of 7 and x

Mathematical Equivalence

ON

What expression does this number line represent?

• 4n - n

• 2n + n

• 8n - 2n

• 16n - 4n