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Adding by an Additional Unit

Precursor For Kindergarten K.OA.A.1

Related To Common Core Standard:

Precursor to Kindergarten K.OA.A.1

Printable Worksheets and Lessons

AnswersAnswer Keys

Answer Key- All the answer keys in one file.

More Worksheets (Click Here to Upgrade)

Lesson Sheets

For each lessons, I kept the sums of sets to under 10.

Practice Worksheets

These practice sheets allow the sums of sets to reach 15, for your more advanced students.