1. 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 .
Answer: i dont agree with her because 6 ÷ 2 = 3 , 3 + 1.7 = 4.7.
2. Put brackets i the following expression to get the largest value possible . What problem solving strategy did you use ?
Answer :
(3 × 2.8) + 6.4 ÷ 4 = 10
3 × (2.8 + 6.4) ÷ 4 = 6.9
3 × 2.8 + (6.4 ÷ 4) = 10
3. Create a problem that could be solved using the following expression : 2.5 + 1.25 + 5 x 1.6 .
Answer :
Bob wanted to buy new shoe laces they were $2.50 , then he saw shoe cleaner he wanted it was $1.25 then he decided to buy 5 gel shoe liners they were $1.60 each . His total bill was 11.75 .
Here is a video to help you understand order of operations :
Here is a link to help you :
http://www.scweb4free.com/oper.html
Here is a picture to help you :
5 comments:
Good Job Taylor! This will help me when i get stuck.
Great job Taylor! this will really help me and the other students.
nice job Taylor! this will really help me for my 2nd scribepost.
good job Taylor! i really like your video..please excuse my dear aunt sally.
Good Job Taylor! This will help me in our math classes.
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