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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 SubtractionNot started yet
  6. Relating Addition and Subtraction FactsNot started yet
  7. Part-Part-Whole Reasoning for AdditionNot started yet
  8. Part-Part-Whole Reasoning for SubtractionYou are here
  9. Writing Number Sentences for AdditionNot started yet
  10. Writing Number Sentences for SubtractionNot started yet
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Learning standards covered

auAC9M2N04Australian Curriculum (v9) · Math · 2nd Grade

add and subtract one- and two-digit numbers, representing problems using number sentences, and solve using part-part-whole reasoning and a variety of calculation strategies

Open Global Standard:OGM.3.NBT.7OGM.3.NBT.8OGM.3.OA.2
GlobalOGM.3.NBT.7
GlobalOGM.3.NBT.8
GlobalOGM.3.OA.2