PEMDAS

PEMDAS

First is P, Parenthesis.

• Parenthesis always come first.

• Solve the parenthesis, then move on.

Next is E, Exponents

• Solve the exponents after the parenthesis.

• 
  

Next is M, Multiplication, and D, Division.

• If Multiplication comes first, solve that first! If division comes first, solve that first.

Next is Addition and Subtraction

• Whichever comes first, solve that first.

• Solve this last.

Example questions - Answers on next slide

•  $5+9\times2$  

•  $20\div10\times5$  

Answers

• 23

• 10