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Addition of Numbers (Under 100)

Grade 1 Common Core Math Standard

Aligned To Common Core Standard:

Grade 1 Numbers- 1.NBT.4

AnswersAnswer Keys



View Answer Keys- All the answer keys in one file.




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Guided Lessons

Place values are great to cover before stepping up to higher levels with sums.




Practice Worksheets

I went in a lot of different directions with these to help teachers and students see different angles.