ORDER OF OPERATIONS

What is the correct method for solving numerical problems?

What is the correct method for solving numerical problems?

Parenthesis ( ) – solve math that is apart of the parenthesis first

Multiply - Divide working left to right – which ever operation is first working left to right!

•Common symbols for multiplication ( ) x ●•Common symbols for division ÷ and a fraction (straight line ) / (slanted line)

Exponents x4 – solve math that involves exponents•What are exponents?

•The value that indicates the number of times to multiply the given number•Example: 56 = 5(5)(5)(5)(5)(5) NOT 5(6) !

Add – Subtract working left to right – which ever operation is first working left to right!

Practice Problem 1

60 - 4(6 - 2)+23 + 2

Practice Problem 1 60 - 4(6 - 2)+23 + 2

Parenthesis ( ) 60 – 4 (6 - 2)+23 + 2

60 – 4 (4)+23 + 2

Exponents x4 60 – 4 (4)+23 + 2

60 – 4 (4)+8 + 2

Multiply –Divide 60 – 4 (4)+8 + 2 60 – 16 + 8 + 2

Add – Subtract 60 – 16 + 8 + 2

44 + 8 + 2 = 54

Practice Problem 2

(7 - 4)2 + 4 ● 21 ÷ 3 – 2

Practice Problem 2 (7 - 4)2 + 4 ● 21 ÷ 3 – 2

Parenthesis ( ) (7 - 4) 2 + 4 ● 21 ÷ 3 – 2

(3) 2 + 4 ● 21 ÷ 3 – 2

Exponents x4 (3) 2 + 4 ● 21 ÷ 3 – 2

9 + 4 ● 21 ÷ 3 – 2Multiply –Divide 9 + 4 ● 21 ÷ 3 – 2

9 + 84 ÷ 3 – 2

Add – Subtract 9 + 28 – 2

37 – 2 = 35

9 + 84 ÷ 3 – 2 9 + 28 – 2