4.7 Writing Algebraic Expressions

Front

4 more than a number (Let n represent the number)

Back

n + 4

Front

4 less than a number. Let n represent the number.

Back

n - 4

Front

Divide a number by 9. Let n represent the number.

Back

n/9

Front

The quotient of a number and 17. Let n represent the number.

Back

n/17

Front

A number increased by 15. Let n represent the number.

Back

n + 15

Front

The difference of 12 and a number (Let n represent the number)

Back

12 - n

Front

Triple a number. Let n represent the number.

Back

3n

Front

The ratio of 4 and a number (Let n represent the number)

Back

4/n

Front

Half a number. Let n represent a number.

Back

n/2

Front

8 decreased by a number (Let n represent the number)

Back

8 - n