Sunday, November 7, 2010

Order of Operations

Brackets
Exponents
Division
In order from left to right
Multiplication
Addition
In order from left to right
Subtraction
Annie has been asked to calculate 1.7+6÷2 She claims the answer is 3.85 Do you agree? Explain why or why not
I disagree because the answer is 4.7
My calculations :
1.7+6÷2=
1.7+3=
4.7
Put brackets in the following expression to get the largest value as possible. what problem solving stratgy did you use?
3 x 2.8 + 6.4 ÷ 4
3 x (2.8 + 6.4) ÷ 4
3x 9.2 ÷4
27.6
÷4
6.9
Create a problem that could be solved using the following expression
2.5 + 1.25 + 5 X 1.6
Joe had friends who owed him money. Steve owed h
im $2.50. James owed him $1.25. His crew of 5 people, each of them owed him $1.60. All That Joe made $11.75

Example we did in class :










Bed mas game

14 comments:

Paolob said...

Good job man.you sure are good at this

Peter905 said...

good job alex but you should put a video so people can understand. and put spaces between sentences cause it looks like messed up

Mikaela W said...

Good job Alex but next time try to put a video.

gielhc905 said...

good job alex but put a video

romiel814 said...

Good Job Alex, the picture helped but you should of put a video for the people who still don't get it.

Suzzene817 said...

Good Job Alex. I like the bedmas game.

Joy873 said...

Good Job Alex!
The solution is great but put a video next time.

kyanna 718 said...

Good job Alex next time put a video : )

paige817 said...

Good job Alex!!
You were good at explaining most of what you were talking about except for the Annie one, and you could also put a video for poeple to understand it more.

paulo873 said...

good job alex you did a good job but next time you should add more colour and add a video and a link to help other people to understand B.E.D.M.A.S more but other wise good explanation

Paolob said...

good job at this Alex.

kim873 said...

good job alex ! next time , maybe you should add some colour . other then that , it was great . also , i like your explaining . (:

jayjay817 said...

very good job man

amanda718 said...

Nice examples so we can understand what you are trying to teach us. You should put a video so we can understand it a little more.