Writing Expressions

Front

Evaluate x + 8 if x = 2

Back

10

Front

Write the phrase as an expression: a number increased by two

Back

x + 2

Front

Write the phrase as an expression: the product of a number and eight

Back

8x

Front

If there are 20 balloons at a party and a number (b) of them burst, how many balloons are left? Write the phrase as an expression:

Back

20 - b

Front

Write the phrase as an expression: a number less than eleven

Back

11 - x

Front

Define an expression in mathematics.

Back

A combination of numbers, variables, and operators (like +, -, *, /) that represents a value.

Front

What is a variable in an expression?

Back

A symbol (often a letter) that represents an unknown number.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of the expression by substituting the variables with numbers.

Front

Write the phrase as an expression: three times a number

Back

3x

Front

Write the phrase as an expression: the sum of a number and five

Back

x + 5