Order of Operations

B- Brackets ( )

E- Exponents a²

D- Division (in order from left to right)

M- Multiplication ^

A- Addition (in order from left to right)

S- Subtraction ^

Question :

Annie has been asked to calculate 1.7+6 divided by 2. She claims the answer is 3.85. Do you agree? Explain why or why not.

Answer :

I dont because calculators arent always right maybe

she shoudlve use the B.E.D.M.A.S way .

Question :

Put brackets in the following expression to get the largest value possible. What problem solving Strategy did you use? 3 x 2.8 + 6.4 ÷ 4

Answer :

My answer is (3 x 2.8) + 6.4 ÷ 4 .

Strategy :

6.4 + 6.4 ÷ 4

8.4 + 1.6

10

Question :

Create a problem that could be solved using the following expression.
2.5 + 1.25 + 5 x 1.6

Solution :

Jimmy had friends who owed him money. 1 of his friend owed him $1.25 and his other friend owed him $2.50. His other 5 friends each owed him $1.60. All that equals to $11.75.

Here is a picture of Order of Operations :

Here is a video about Order of Operations :

Click here to find some information about B.E.D.M.A.S :

Hope you all understand ! Please comment on anything I did wrong ! Thanks ! :)