I cringe when "experts" say kids don't need to know their math facts, times tables from memory, etc. They are standards! Many kids are not taught number bonds or shown concretely how to make numbers easy to work with. It's not too late. Start filling the gaps. Difficult for sure.
Waiting to call on students allows them to process the question and encourages them to think through their answers instead of impulsively responding. Read more #studentengagement tips: https://t.co/6SkLZIYgrY