Stoichiometry grams to moles to grams Round Robin Activity
AA31 Labs
639 Followers
What educators are saying
Loved this. It got the students engaged and working as a team in stead of using a traditional worksheet. I even went a step further and made it a competition for "Mole Bucks" to use as extra credit.
Thanks for the resource.
Description
PRODUCT DESCRIPTION
Round Robin Description: A universally high-engagement activity where students work together to solve Stoichiometry problems. There are 4 problems per sheet and 4 different sheets. Students are given a fixed amount of time (5-8 min., the website online-stopwatch.com has easy to use interval timers) to solve a problem. They then pass their paper to the left and receive a new paper from the right. They put their initials in the “Solver’s Initials” blank and are given another fixed time to solve problem #2 on the new paper. Repeat for problems #3 and #4. When completed, the paper should have 4 different problem solvers. The paper gets passed back to the original solver who checks all the work on the paper. Give time for discussion of answers and encourage peer-to-peer collaboration to ensure all students understand all problems.
All problems are different, but the type of problems on each sheet are the same. This means you can give general advice about solving a problem (e.g. “In problem 3, I have written the formula for water a little differently to help you balance the reaction…”) and all students will benefit, regardless of the sheet they are working on at the time.
I like (and used!) the CA Standards Periodic Table for masses which can be found at:
www.cde.ca.gov/ta/tg/sr/documents/chemtoe.pdf
Key words: Stoichiometry, Balancing Reactions, Formula Mass, grams, moles.
Round Robin Description: A universally high-engagement activity where students work together to solve Stoichiometry problems. There are 4 problems per sheet and 4 different sheets. Students are given a fixed amount of time (5-8 min., the website online-stopwatch.com has easy to use interval timers) to solve a problem. They then pass their paper to the left and receive a new paper from the right. They put their initials in the “Solver’s Initials” blank and are given another fixed time to solve problem #2 on the new paper. Repeat for problems #3 and #4. When completed, the paper should have 4 different problem solvers. The paper gets passed back to the original solver who checks all the work on the paper. Give time for discussion of answers and encourage peer-to-peer collaboration to ensure all students understand all problems.
All problems are different, but the type of problems on each sheet are the same. This means you can give general advice about solving a problem (e.g. “In problem 3, I have written the formula for water a little differently to help you balance the reaction…”) and all students will benefit, regardless of the sheet they are working on at the time.
I like (and used!) the CA Standards Periodic Table for masses which can be found at:
www.cde.ca.gov/ta/tg/sr/documents/chemtoe.pdf
Key words: Stoichiometry, Balancing Reactions, Formula Mass, grams, moles.
Total Pages
9 pages
Answer Key
Included
Teaching Duration
50 minutes
Last updated Apr 4th, 2017
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639 Followers
