Writing Algebraic Expressions from Words

Name: _______________________________
Date: _______________________________

Instructions: Write an algebraic expression or equation for each statement below. Use the variable given in brackets.

Section A: Simple Expressions

1.

A number increased by 7 (use n)

Expression: _______________________________________________

2.

The product of 5 and a number (use x)

Expression: _______________________________________________

3.

12 less than a number (use m)

Expression: _______________________________________________

4.

A number divided by 3 (use p)

Expression: _______________________________________________

5.

8 times a number, minus 4 (use y)

Expression: _______________________________________________

Section B: Word Problems

6.

Sarah is 3 years older than twice her brother's age (use b for brother's age)

Expression: _______________________________________________

7.

The cost of hiring a bike is $15 plus $8 per hour (use h for hours)

Expression: _______________________________________________

8.

The perimeter of a rectangle with length 12 cm and width w cm

Expression: _______________________________________________

9.

Three consecutive numbers (use n for the first number)

Expression: _______________________________________________

Section C: Write Equations

10.

A number increased by 9 equals 24 (use n)

Equation: _______________________________________________

11.

Five times a number minus 7 is equal to 28 (use x)

Equation: _______________________________________________

12.

The sum of a number and 15 is 42 (use t)

Equation: _______________________________________________