CW: Order of Operations with Rational Numbers

What is the correct order for the Order of Operations?

• Multiplication or Division

• Parentheses or Grouping Symbols

• Addition or Subtraction

• Exponents

Answer explanation

PEMDAS only works if....

• You add then subtract
• You subtract then add
• add or subtract right to left
• add or subtract left to right

PEMDAS only works if....

• You multiply then divide

• You divide then multiply

• multiply or divide right to left

• multiply or divide left to right

• Sumayyah

• Basma

• I'm not sure

• Both

21 ÷ 7 + 4 (2)

• 11

• 14

• 1 3/7

• 9

• 109

• 99

• -109

• -99

4.2 − 0.2 (6) =

• 24

• 3

Tags

CCSS.5.NBT.B.7

Answer explanation

 $-8.2+4.5\cdot-1.4$  
Be sure that you followed order of operations and did the multiplication first.
Was your product negative, since negative times positive is negative?
Finally, when you added, was your sum negative, since negative plus negative is more negative?

• 2

• 4