Algebraic Expressions Unit Review

An art club sells 42 large candles and 23 small candles each week. Write an expression showing how many candles they sell each in 7 weeks.

• 23(7 + 42)

• 7(23 + 42)

• 42(7 + 23)

• 7(23 x 42)

5(a + 6)

• 5a + 6
• a + 30
• 5a + 30
• 5a - 30

4(p - 6)

• -4p - 24
• 4p + 24
• 4p + 24
• 4p - 24

Each row in a classroom has 11 girls and 12 boys. There people 9 rows in that class. Write a numerical expression to show the number of students in that class.

• 11(9 + 12)

• 11(9 x 12)

• 9(11 x 12)

• 9(11 + 12)

Simplify the expression:
8(5 + w)

• 40 + w
• 40+8w
• 85 + 8w
• 13+8w

Simplify the expression:
8(4b - 5)

• 32b + 40
• 32b - 40
• 32(b - 40)
• 84b - 85

Mr. Boughton gave each of his three children a $20 bill and a $100 for their birthdays (all of which are in March). Which expression represents the total amount he gave?

• 100(3 x 20)

• 3(100 x 20)

• 3(100 + 20)

• 20(100 x 3)

5(2x-11)

• -10x-55
• 10x-55
• 55-10x
• 10x+55

5x + 8y - 3x - 15y

• 2x - 7y
• 8x + 23y
• 8x - 23y
• 2x + 7y

2(c - 8)

• 2c - 16

• 2c + 16

• 2c - 8

• c - 16