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Common Core · Grade 1 · Number and Operations in Base Ten

Standard 1.NBT.C.5

Free lessons and printable worksheets aligned to Common Core math standard 1.NBT.C.5.

1 lessons1 worksheets

Lessons for 1.NBT.C.5

Ten more and ten lessAdding ten makes one more ten: the ones stay the same and the tens go up by one, so 36 becomes 46.Lesson

Printable Worksheets

Ten more and ten less worksheet (PDF)Printable worksheet with answer keyPreview