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Add 2 Numbers within 20- 1st Grade Math
Add 2 Numbers within 20 Worksheet helps students practice adding any 2 numbers with the sum not exceeding 20. There are no pictures or number lines for help. Students must add mentally, using any of the methods practiced before, such has Counting on, Double Facts etc. The skill to decide which method to use to solve a particular problem is a key factor in achieving fluency.
Common Core Alignment
1.OA.8Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.