Write Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that includes numbers, variables, and operations (like addition, subtraction, multiplication, and division).

Front

What is a numeric expression?

Back

A numeric expression is a mathematical phrase that includes only numbers and operations, without any variables.

Front

What is the difference between an algebraic expression and a numeric expression?

Back

An algebraic expression has variables, while a numeric expression does not.

Front

Write an algebraic expression for '5 more than a number x'.

Back

x + 5

Front

Write an algebraic expression for 'twice a number y'.

Back

2y

Front

Write an algebraic expression for 'the sum of a number z and 10'.

Back

z + 10

Front

Write an algebraic expression for 'the product of 3 and a number n'.

Back

3n

Front

Write an algebraic expression for 'the difference between a number m and 4'.

Back

m - 4

Front

What does it mean to evaluate an algebraic expression?

Back

To evaluate an algebraic expression means to substitute the values of the variables and perform the operations to find a numerical result.

Front

Evaluate the expression 2x + 3 when x = 4.

Back

2(4) + 3 = 8 + 3 = 11.