Expression Word Problems

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, ×, ÷) that represents a value.

Front

What does it mean to solve a word problem?

Back

To solve a word problem means to translate the words into a mathematical expression or equation and find the solution.

Front

What is a variable?

Back

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

Front

What does 'more than' indicate in a word problem?

Back

'More than' indicates addition. For example, 'x more than y' means y + x.

Front

What does 'fewer than' indicate in a word problem?

Back

'Fewer than' indicates subtraction. For example, 'x fewer than y' means y - x.

Front

How do you represent a total amount contributed by multiple people?

Back

You multiply the amount each person contributes by the number of people. For example, if each person contributes m and there are n people, the total is n * m.

Front

What is the expression for dividing a total by a number of groups?

Back

The expression is total ÷ number of groups. For example, if there are 16 cookies and b bags, the expression is 16 ÷ b.

Front

How do you express earnings after expenses in a word problem?

Back

You subtract the expenses from the total earnings. For example, if earnings are 8h and expenses are 20, the expression is 8h - 20.

Front

What does 'splitting evenly' mean in a word problem?

Back

'Splitting evenly' means dividing a total quantity by the number of groups or parts.

Front

What is the expression for a quantity that is increased by a certain amount?

Back

The expression is quantity + amount. For example, if Mitch has b bouncy balls and has 35 more, the expression is b + 35.