Common Core Worksheets by Standard
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Pick a grade, then a standard, to see every free worksheet we have for it. The short summaries are our plain-English versions, not the official wording.
About these standards
Common Core lists what children should be able to do by the end of each grade; it does not say how to teach it, so worksheets are one way to practice. Each standard page here links only worksheets that really practice that skill. For the biggest skills of each year, start with K.CC.A.1 in kindergarten, 1.OA.C.6 in 1st grade or 3.OA.C.7 in 3rd grade.