Order of Operations with Rational Numbers

What is the correct order for the Order of Operations?

• Parentheses or Grouping Symbols

• Exponents

• Addition or Subtraction

• Multiplication or Division

Answer explanation

Tags

CCSS.7.NS.A.3

PEMDAS only works if....

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

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

PEMDAS only works if....

• Never multiply or divide

• You divide then multiply

• You multiply or divide right to left

• You multiply or divide left to right

• Sallie

• Brian

• I'm not sure

• Both

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

21 ÷ 7 + 4 (2)

• 11

• 14

• 1 3/7

• 9

Tags

CCSS.7.EE.B.3

4.2 − 5(6) =

• -4.8

• -25.8

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?

Tags

CCSS.7.EE.B.3

-5 × 7 - 30 ÷ 10 + 15

• -27

• -23

• 23

• 27