Lesson 7-5 Order of Operations• HW• Study Links: 7-5

• Math Practice

Review:• So far we have learnt:• Fraction• Addition and Subtraction of fraction• Different forms of number: word, exponential, Scientific

notation• Express 15.067 in Scientific form

Answer• 1.5067 x 10

Guided Practice• Open math journal pg 222• Discuss math message with your shoulder partner

Check your answer

Order of Operation• PEMDAS• Parenthesis, Exponent• Division or Multiplication whichever comes first• Addition and Subtraction whichever comes first

• In UK it is also called BIDMAS• Brackets (parenthesis)• Indices (Exponents)• The order of operations eliminates ambiguity in number

expressions by providing the steps used to evaluate them

Guided Practice• Complete problems on pg 222 and pg 223• Check answers

Independent Practice• Math Boxes p.225

• Tomorrow we will learn Fraction in Simplest form. Do not forget to review Greatest common Factor.

• Do not Forget:• PEDMAS!!• Please Excuse Dear My Aunt Sally!!