Writing Expressions

Front

The product of 12 and n

Back

12n

Front

Write an expression for the following situation: It costs $5 to get into the county fair. It costs $2 for one ride ticket. How much will you spend to go to the fair and purchase t tickets?

Back

5 + 2t

Front

Write an expression for the following situation: Your mom wins $100 on a scratch-off ticket. She wants to split it between you and your siblings. How much will each of you receive if there are c children?

Back

100/c

Front

50 increased by x

Back

50 + x

Front

Three times a number, increased by 12 (USE x AS YOUR VARIABLE)

Back

3x + 12

Front

What is a variable in an expression?

Back

A symbol (like x or n) that represents a number that can change.

Front

What does it mean to 'increase' a number?

Back

To add a certain amount to that number.

Front

What is an expression in mathematics?

Back

A combination of numbers, variables, and operations (like +, -, *, /) without an equals sign.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equals sign, while an equation does.

Front

What does 'the sum of a number and 8' look like in an expression?

Back

x + 8 (where x is the number).