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Common Core · Grade 2 · Measurement and Data

Standard 2.MD.A.3

Free lessons and printable worksheets aligned to Common Core math standard 2.MD.A.3.

3 lessons3 worksheets

Lessons for 2.MD.A.3

Benchmarks, estimating and choosing a unitKeeping a familiar object in mind, like a doorway for two meters, to feel how big a unit isLesson
Customary length unitsInches, feet, yards and miles, the length units used in the United StatesLesson
Metric length unitsMillimeters, centimeters, meters and kilometers, the length units used almost everywhere elseLesson

Printable Worksheets

Benchmarks, estimating and choosing a unit worksheet (PDF)Printable worksheet with answer keyPreview
Customary length units worksheet (PDF)Printable worksheet with answer keyPreview
Metric length units worksheet (PDF)Printable worksheet with answer keyPreview