Algebra Refresher

Create an algebra expression for these word problems.

A number divided by two.

• n - 2

• n + 2

• 2n

• n/2

Create an algebra expression for these word problems:

A number multiplied by 3 with 2 taken away

• 2n - 3

• 3n - 2

• 2n/3

• 3n/2

Create an algebra expression for these word problems:

The difference between a number and 3

• n + 3

• n - 3

• 3n

• n/3

Simplify these expressions:

2x + 3x + 3y

• 8xy

• 8x + 3y

• 5x + 3y

• 8x + 8y

Simplify these expressions:

3a + 4b - 2a - b

• 7ab - 2ab

• a + 3b

• 5a - 3b

• 5ab

Simplify these expressions:

2x² + 4a + 4x² - 7a

• 6x² - 3a

• 3ax²

• 6x² - 11a

• 17ax²

Simplify these expressions:

2t x 3t

• 5t

• 6t

• 5t²

• 6t²

Simplify these expressions:

3a x 4 x 2b

• 9ab

• 12a + 2b

• 24ab

• 7a +2b

Simplify these expressions:

t x t x t x t x t

• 5t

• t⁵

• t x t x t x t x t

• t5

What are the rules when simplifying multiplication expressions?

• Multiply numbers normally

• Add the powers of the same "letters"

• Put letters together in alphabetical order

• All of them