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Week 27: Two-digit addition

Skills and concepts for Two-digit addition.

  1. 1. Use models to add a two-digit and a one-digit number - without regrouping
  2. 2. Add a two-digit and a one-digit number - without regrouping
  3. 3. Regroup tens and ones
  4. 4. Use models to add a two-digit and a one-digit number - with regrouping
  5. 5. Add a two-digit and a one-digit number - with regrouping
  6. 6. Addition word problems - two-digit plus one-digit numbers
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