I’m totally reducing the amount of time I spend on this next year. But I’m blogging out what I did just in case you teach it as well.
Things I liked (in order that I taught it):
Inductive and Deductive reasoning sort – I made a card sort with inductive and deductive reasoning examples. I had the kids sort the cards with zero information, then tell me what they felt was different about the two sets of cards. They did a great job! I’m not including my cards because I need to change them next year. I will only do words on both types of cards, and no patterns or numbers. A few students took inductive to mean “numbers” or patterns only, and deductive to mean “words”.
I need to spend more time turning statements into conditional statements.
Conditional / Converse / Inverse / Contrapositive Activity from Sam and the great folks at PCMI. Wow – what a great activity!! TIPS:
- It takes a few days but it is worth it! All students were very engaged the entire time.
- DON’T LET THE STUDENTS WRITE THEIR OWN STATEMENTS. Use the ones Sam etc. wrote. You will thank me later.
- It is “paper intensive” so make group packets before they come in to preserve your sanity.
- I put the directions in a picture frame so students could see it more easily as it is a “directions intensive” activity. They did well and I love when they practice following directions.
- After the posters were all finished, I had students do a “gallery walk” with post-its so they could make comments on other posters in case a student got the truth value incorrect. This was great!
Symbolic Logic Proofs – I made cards for them to refer to. They used them often. We made “index card pockets” in their graph books to hold them. I loved these things!
Proof strips – I laminated card stock and we wrote on these to re-arrange the statements.
Post-it flags – I also let them use post-it flags to write the givens on so they could be easily rearranged.
I also combined this with Speed Dating for the win. I don’t think I can ever thank Kate enough for Speed Dating.
I did another sorting activity thanks to Pam Wilson’s intro to logic post. This went well! I let them sort on the floor if they wanted and then check their answers with another group.