Metric Math Measurement!

Third graders use centimeters to measure 

lengths of a variety of classroom objects. 

 

Skills & Concepts Addressed in This Lesson

• Skip-count by 10s (2.NBT.2)

• Measure the length of an object in centimeters using a 
ruler and measuring tape (2.MD.1)

• Estimate length in centimeters (2.MD.3)

• Measure length to the nearest whole unit in 
centimeters (supports 2.MD)

• Attend to precision (3.MP.6)

• Look for and express regularity in 
repeated reasoning (3.MP.8)