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Common Core · Grade 1 · Operations and Algebraic Thinking

Standard 1.OA.C.5

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

2 lessons2 worksheets

Lessons for 1.OA.C.5

Counting up to find a differenceStarting at the smaller number and adding on until the larger one is reached.Lesson
Counting on to add and counting back to subtractStarting at the larger part and counting forward by the smaller one.Lesson

Printable Worksheets

Counting up to find a difference worksheet (PDF)Printable worksheet with answer keyPreview
Counting on to add and counting back to subtract worksheet (PDF)Printable worksheet with answer keyPreview