First gradeMathMeasurement
Different units, different answers: measuring length

Different units, different answers: measuring length

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By all measures, this video teaches us to measure. Join Eric as he measures his desk using pencils, paperclips, and notebooks. Try it on your own desk! Why are all the answers different?

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Key takeaways

  • Learn to measure objects using different units
  • Understand that units must be the same size when measuring length
  • Practice measuring length by aligning units accurately
  • Understand that using larger units means fewer units are needed

Standards addressed

CCSS.MATH.CONTENT.1.MD.A.2
Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object (the length unit) end to end; understand that the length measurement of an object is the number of same-size length units that span it with no gaps or overlaps. Limit to contexts where the object being measured is spanned by a whole number of length units with no gaps or overlaps.

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