Writing Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 5 is an algebraic expression.

Front

How do you represent 'subtract 5 from a number'?

Back

n - 5

Front

How do you represent 'subtract a number from 10'?

Back

10 - n

Front

What is the algebraic expression for 'the product of 8 and a number'?

Back

8n

Front

How do you express 'a number decreased by 12'?

Back

n - 12

Front

What does the variable 'n' typically represent in algebraic expressions?

Back

The variable 'n' represents an unknown number that can change or vary.

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers, variables, and operations without an equality sign, while an equation states that two expressions are equal.

Front

How do you write 'the sum of a number and 7'?

Back

n + 7

Front

What is the algebraic expression for 'twice a number'?

Back

2n

Front

How do you express 'the difference between a number and 4'?

Back

n - 4