Writing Expressions

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 multiply a number by a sum?

Back

To multiply a number by a sum means to take the number and multiply it by the result of adding the numbers in the sum together.

Front

How do you write the expression for 'Multiply 8 by the sum of 24 and 16'?

Back

Front

What is the order of operations in mathematics?

Back

The order of operations is: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often remembered as PEMDAS.

Front

How do you write the expression for 'Divide 18 by 2, then subtract 5'?

Back

Front

What does it mean to subtract a number from another number?

Back

To subtract a number from another means to take away the second number from the first number.

Front

How do you write the expression for '6 subtracted from 16 divided by 5'?

Back

Front

What is a quotient in mathematics?

Back

A quotient is the result of dividing one number by another.

Front

How do you write the expression for 'The quotient of 56 and 8 multiplied by 7'?

Back

Front

What does it mean to find the difference of two numbers?

Back

To find the difference means to subtract one number from another.