Math Expressions Curriculum

You have an algebraic number that represents the total amount of money you will have after saving $15 each week, starting with $50. The number is 50 + 15w. Identify if this is an expression or equation and solve for the total amount of money if w = 4 weeks.

• Expression
  Total amount: $110

• Equation
  Total amount: $110

• Expression
  Total amount: $200

• Equation
  Total amount: $200

A rectangle's area is given by the algebraic number of 6w², where w is the width. Identify if this is an expression or equation and find the area if the width w = 2.

• Expression
  Area: 24 square units

• Equation
  Area: 24 square units

• Expression
  Area: 12 square units

• Equation
  Area: 12 square units

Translate to an algebraic expression.

m plus the product of 6 and n

• m + 6n

• m - 6n

• m(6n)

• 6mn

Translate to an algebraic expression.

twice the sum of 70 and m

• 2(m + 70)

• 2⋅70 + m

• 2(70 - m)

• 70 + m ⋅ 2

Translate this phrase into an algebraic expression.
8 less than the product of 4 and a number
Use the variable m to represent the unknown number.

• 8 - 4m

• 8m - 4

• 8m + 4

• 4m - 8

Which of the following represents twice the difference of a number and 7?

• 2x - 7

• 2(x - 7)

• 2x + 7

• 2(x + 7)

Translate to an algebraic expression.

76 decreased by x

• 76 - x

• x - 76

• 76x

• 76 + x

Write an algebraic expression for:
 35 decreased by a number

• 35+n

• 35-n

• n-35

w increased by 5

• w - 5

• 5w

• w + 5

• w / 5

fourteen times a number

• n-14

• 14n

• 14+n

• 14-n