In Common Core math, it often is not good enough to get the correct answer. Instead, students are required to show “higher order” thinking skills — in this case, use of the associative property. Yes, the associative property is important and should be taught at some point. Unfortunately, we suspect that many 7-year olds will not be able to understand this particular assignment. With limited days in the school year, wouldn’t second graders — second graders! — be better off spending their time attempting to master the traditional subtraction algorithm?
@smheath11 @Talkmaster Friendly numbers? Why not do the problem with the numbers given – how hard is to "borrow" ten and subtract 9 from 12
— David Schaab (@schaabdl) March 25, 2014
@smheath11 @Talkmaster Math standards written by people who've never taught K-12 math. #stopcommoncore
— This Guy (@FL_bailbondsman) March 25, 2014
@smheath11 unbelievable! Why not teach it right2start with? Why add extra confusing instructions? Parents n my State r protestn. Good luck
— Ann Johnson (@annmjs) March 25, 2014
@smheath11 @Talkmaster They are teaching the next generation of tax payers. Round up and make your donation. #CommonCore
— Dennis (@djack427) March 25, 2014
https://twitter.com/satillared/status/448441406235750400
@smheath11 @Talkmaster I survived govt schools, but that was back when you learned MATH. Whatever this is is crazy! Cath Sch for our kids!
— JaimeLRTo (@JaimeLRTo) March 25, 2014
@smheath11 @Talkmaster What a convoluted.way to teach math….
— M_AG_A (@SpreadsheetAg) March 25, 2014
Recommended
https://twitter.com/sher2417/status/448281565609881600
@smheath11 @Talkmaster Home school
— Brad Cavendish (@brad_cavendish) March 25, 2014
Update:
In case you were wondering, the use of the term “friendly numbers” by the teacher above bears no relation to the use of the same term in number theory.
Join the conversation as a VIP Member