Orders of Operations

What does PEMDAS stand for?

• Power, Exponents, Multiplication, Decimal, Adding, Substitution

• Parenthesis, Exponents, Multiplication, Division, Adding, Subtracting

• Protractor, Euclid, Millen, Datsyuk, Agrarian, Stalin

• Parenthesis, Exclude, Magnetic, Decimal, Alkaline, Slytherin

Tags

CCSS.5.OA.A.1

After Exponents what comes next?

• Divide or Multiply from Left to Right

• Add or Subtract from Left to Right

• Divide or Multiply from Right to Left

• Add or Subtract from Right to Left

What comes after Multiplying and Dividing from Left to Right?

• Parenthesis

• Exponent

• Adding and Subtracting from Left to Right

• Adding and Subtracting from Right to Left

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.2

CCSS.7.NS.A.3

7 + 6 ÷ 2

• 10
• 6.5
• 6
• 19

Tags

CCSS.6.NS.B.2

CCSS.6.NS.B.3

2 x (12 - 4)

• 20
• 32
• 16
• 14

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

3² + 9 x 5

• 60
• 54
• 90
• 17

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

8 + 6 x 3

• 42

• 12

• 26

• 23

Tags

CCSS.5.OA.A.2

Which operation would you do first?
2 · (15 - 2) ÷ 5

• Addition
• Subtraction
• Multiplication
• Division

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Find and explain the error.    
 5 - 3 + 2
     5 - 5
        0

• There is no error.
• Addition was done first and you should have subtracted first
• There is a subtraction error

Tags

CCSS.3.NBT.A.2

18 + (6 – 2) × 2

• 26
• 29
• 44
• 40

Tags

CCSS.5.OA.A.1