Fifth Grade Order of Operations - HES

Front

What is the Order of Operations?

Back

The Order of Operations is a set of rules that determines the sequence in which calculations are performed in a mathematical expression. The order is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often remembered by the acronym PEMDAS.

Front

What does 'evaluate' mean in mathematics?

Back

To evaluate means to calculate the value of an expression by performing the operations in the correct order.

Front

What is a numerical expression?

Back

A numerical expression is a mathematical phrase that includes numbers and operation symbols, but no variables. For example, 3 + 4 or 5 x 2.

Front

What does 'product' mean?

Back

The product is the result of multiplying two or more numbers together.

Front

What does 'sum' mean?

Back

The sum is the result of adding two or more numbers together.

Front

What does 'difference' mean?

Back

The difference is the result of subtracting one number from another.

Front

What does 'quotient' mean?

Back

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

Front

How do you represent 'three times a number' in an expression?

Back

You represent 'three times a number' as 3x, where x is the number.

Front

What is the first step in evaluating the expression 24 + 12 - 3 x 4?

Back

The first step is to perform the multiplication: 3 x 4 = 12.

Front

What is the expression for 'six more than the product of one hundred five and forty-three'?

Back

The expression is 105 x 43 + 6.