Writing Expressions

Front

What is subtraction?

Back

Subtraction is the operation of finding the difference between two numbers. It is represented by the minus sign (-). For example, in the expression 25 - 5, 5 is subtracted from 25.

Front

Translate '5 less than a number' into an algebraic expression using v.

Back

v - 5

Front

Which of the following is NOT a keyword for multiplication?

Back

Total is NOT a keyword for multiplication. Keywords for multiplication include double, product, and times.

Front

Translate 'the quotient of twenty and a number' into an algebraic expression using n.

Back

20/n

Front

If a charm bracelet costs $20 and each charm costs $2, what expression represents the total cost for c charms?

Back

2c + 20

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

What does the variable represent in an algebraic expression?

Back

A variable represents an unknown value in an algebraic expression. It is usually denoted by letters such as x, y, or n.

Front

How do you translate 'twice a number' into an algebraic expression?

Back

Twice a number can be expressed as 2n, where n is the variable representing the unknown number.

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, indicated by an equality sign (=).

Front

Translate 'the sum of a number and 10' into an algebraic expression using x.

Back

x + 10