SME
Grade 1 Math
Measurement & Data
Use units to measure length
Main lesson
Order objects by length
Use this for “Put the ribbons in order from longest to shortest.”
Use units to measure length correctly
Use this for “Leo says the strip is 6 clips long. Is he right?”
Compare lengths indirectly
Use this for “The pencil is longer than the crayon. The crayon is longer than the clip. Which is longer, the pencil or the clip?”