math.wiki › Standards › Common Core › K.OA.A.1

Common Core · Kindergarten · Operations and Algebraic Thinking

Standard K.OA.A.1

Free lessons and printable worksheets aligned to Common Core math standard K.OA.A.1.

4 lessons3 worksheets

Lessons for K.OA.A.1

Addition and subtractionPutting together and taking apart.Lesson

Addition as putting togetherTwo amounts combined make a new total.Lesson

Acting out add and take-away stories within 10A short story about joining or taking away is acted out with objects or fingers, drawn, and told as an equation.Lesson

Subtraction as taking awayRemoving part of an amount leaves the rest.Lesson

Printable Worksheets

Addition as putting together worksheet (PDF)Printable worksheet with answer keyPreview

Acting out add and take-away stories within 10 worksheet (PDF)Printable worksheet with answer keyPreview

Subtraction as taking away worksheet (PDF)Printable worksheet with answer keyPreview