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Lesson 11 Quickly Adding with 1, 2, or 3 (Worksheet)

Review: In lesson 7, you practiced quickly counting up by 1, 2, or 3. These are the 15 single-digit facts you need to memorize when adding with 1, 2, or 3. Other facts have already been memorized with the Tens and Doubles. Adding with 1 has the most facts, but they are also the easiest.

Worksheets for the lesson

Addition up to 10 worksheets pdf download