Saturday, May 4, 2013

2.OA.2 Math Fact Lessons


Lessons for Teaching Addition Facts
  1. Adding Zero  5+0=5, 0+5=5
  2. Counting on   3+1, 7+2
  3. Sums to 5  2+3, 4+1
  4. Sums to 10  4+6, 2+8
  5. Doubles 5+5
  6. Adding 10's
  7. Doubles plus one, plus two 7+8=7+7+1
  8. Nines 6+9=5+10
  9. Commutativity  4+5, 5+4
Lessons for Teaching Subtraction Facts
  1. Fact Families 8-3, 3+__=8
  2. Counting backwards
  3. Zeros 7-0=7
  4. Sames 4-4=0
  5. Subtracting tens
  6. Subtracting nines 13-9=4, 13-10
More Strategies for Learning the Math Facts Lesson Links
  1. Illuminations - 5 Lessons to Learn those Math Facts
  2. The School Bell - Lots of great ideas and lessons