1.6 Length Measurements Within 120 Units

Unit Goals

  • Students measure length and count up to 120 length units. They solve addition and subtraction story problems with unknowns in all positions.

Section A Goals

  • Compare the lengths of objects indirectly.
  • Order objects by length.

Section B Goals

  • Count groups of up to 120 objects and write a number to represent them.
  • Lay length units end-to-end with no gaps or overlaps and count the units to determine length.

Section C Goals

  • Solve addition and subtraction story problems with unknowns in all positions.
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