Order of Operations

Learning Goals

• Understand that an expression is a mathematical statement with numbers and operations. (x, +, -, ÷)

• Use the correct order of operations.

4+6x7 = 704+6x7 = 46

• Is either equation correct? Explain your thinking.

When you solve a problem that uses more than one operation, the answer depends on the order in which you perform the operations.

An expression is a mathematical statement with numbers and operations. When we calculate the answer, we solve the expression.

• We use brackets if we want certain operations carried out first. To make sure everyone gets the same answer when solving an expression, we use this order of operations.

• The order of operations is:

Brackets

Multiply and Divide (in order from left to right)

Add and Subtract (in order from left to right)

Solve:16-14÷2

18-10+6

7 x (4+8)

4x7-2+1 4x(7-2)+1

4x7-(2-1) 4x(7-2+1)

(4x7-2)+1 4X7-(2+1)