5.3 Flashcardizz Assignment: Variables and Expressions

Front

What does the term 'sum' mean?

Back

The term 'sum' refers to the result of adding two or more numbers together.

Front

How do you write 'A number increased by five' as an algebraic expression?

Back

n + 5

Front

How do you write 'Twelve more than b' as an algebraic expression?

Back

b + 12

Front

What does it mean to double a number?

Back

To double a number means to multiply it by 2.

Front

Which term means 'subtract'?

Back

Less than

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents an unknown value.

Front

What does 'increased by' indicate in an expression?

Back

'Increased by' indicates addition in an expression.

Front

What is the difference between an expression and an equation?

Back

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

Front

How do you represent 'three times a number' in algebraic form?

Back

3n