special cases


  • Multiplication Single Digits – Special Cases

    Multiplication Single Digits – Special Cases

    There is easy skip counting for multiplying by 2, 5, 10. Skip counting for 3 and 4 are often more challenging. There is the finger rule and related rules for multiplying by 9. I posted about rules for 6s and 8s (and scaffolding for the rule for 9s). 7s work for students who watch football…