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Addition and Subtraction Facts Within 20

2nd Grade · Math · Australian Curriculum

10 lessons

Goal

Recall addition and subtraction facts to 20 using strategies like doubles, near-doubles, and making ten, and represent problems using part-part-whole models and number sentences.

10 lessons
0 of 10 done
  1. Addition Facts to 20Up next
  2. Doubles and Near-Doubles to 20Not started yet
  3. Making Ten to Add Within 20Not started yet
  4. Subtraction Facts Within 20Not started yet
  5. Using Addition Facts to Solve SubtractionYou are here
  6. Relating Addition and Subtraction FactsNot started yet
  7. Part-Part-Whole Reasoning for AdditionNot started yet
  8. Part-Part-Whole Reasoning for SubtractionNot started yet
  9. Writing Number Sentences for AdditionNot started yet
  10. Writing Number Sentences for SubtractionNot started yet
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Learning standards covered

auAC9M2A02Australian Curriculum (v9) · Math · 2nd Grade

recall and demonstrate proficiency with addition facts to 20; extend and apply facts to develop related subtraction facts

Open Global Standard:OGM.3.OA.1
GlobalOGM.3.OA.1