Algebra: Write Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols (like +, -, *, /) but does not have an equality sign.

Front

What does it mean to 'write an expression'?

Back

To 'write an expression' means to translate a verbal phrase or situation into a mathematical form using numbers, variables, and operations.

Front

What is the expression for 'three times a number h increased by nine'?

Back

3h + 9

Front

How do you express '10 less than a number n'?

Back

n - 10

Front

What is the expression for the sum of 14 and x?

Back

14 + x

Front

Which of the following is not an expression: 5x + 8, 4(2x + 6), 18x = 92, 4 + 5 + 8?

Back

18x = 92 (because it has an equality sign).

Front

If there are m strawberries in a box, how do you express the total if you add 1 more?

Back

m + 1

Front

What is a variable in algebra?

Back

A variable is a symbol (often a letter) that represents an unknown value in an expression or equation.

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value that does not change, such as numbers like 5, -3, or 0.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with specific numbers.