Sunday, November 7, 2010

Order Of Operations

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 ^^^^^^

Here is an example we did at class:














1) 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.

My Answer: I do not agree because she did not follow b.e.d.m.a.s division comes first before multiplication.
If she did follow b.e.d.m.a.s she would have gotten 4.7.

2) 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 divided by 4.

My Answer: ( 3 x 28 ) + 6.4 divided by 4
\/ |
6.4 + 6.4 divided by 4
| \/
8.4 + 1.6
10=

3) Create a problem that could be solved using the following expression.
2.5 + 1.5 + 5 x 1.6.

Solution:
Jewel wanted to buy a necklace but it costs 11.75 and she had no money. On the way home from The Necklace Store, Jewel collected 1.50. But she was still short $8. So Jewel told her mother about the necklace and her mother said ill give you 1.60 each chore, so Jewel did 5 chores and she collected exactly 8$! So Jewel now got the necklace she wanted.


Here is a bedmas game that is fun!


Here is a video explaining B.e.d.m.a.s:


19 comments:

Peter905 said...

Nice explanations on the question liyanah, and nuce job on your scribepost

Alex873 said...

Good job liyanah didnt leave anything out

gielhc905 said...

Nice job liyanah and you explaind everything

Paolob said...

Good job you explained well

Mikaela W said...

Good job Liyanah the BEDMAS game really helped.

Charisse817 said...

Good job Liyanah ! you explained almost everything :) .

paige817 said...

Good Job Liyanah !! You made it easier for me because I wasn't at school on Friday. Thanks alot, you explained everything pretty well!

romiel814 said...

Good Job Liyanah, the picture, the video, and the game helped me.

Suzzene817 said...

Good Job Liyanah. You did a good job explaining and it's easy to understand. I like the way you decorated your scribepost too.

Joy873 said...

Good job Liyanah!!
I like that you explained everything

kyanna 718 said...

Good Job Liyanah you explained everything !!!

Jennifer Lopez said...

Great job Liyanah! You really explained it very clearly.

jm816 said...

I like the use of the colors good job.

j.b.816 said...

Good Job Liyanah ! I get it now ! thanks !

Jomel906 said...

good job you explain eveything and i like those colors you picked.

kim873 said...

great job liyanah ! i loved how you put the efoort by highliting the key words and making them into different colours ! keep it up (:

jayjay817 said...

Nice job you explained it well

Aaron S 814 said...

Good job you explained well!

nikka814 said...

Good job liyanah! You got everything in there. Keep it up !