Practice Buds

Printable Metric Units Worksheets

Printable metric units worksheets for 3rd and 4th grade, with an answer key on every sheet. The sets below cover 3 different skills, so you can start where your child actually is. Available as visual guides and word problems.

Print Metric Units Packet

Targeted Practice by Skill

About Metric Units

What this skill is

Metric units uses base-ten decimal measurement systems: length (millimeters, centimeters, meters, kilometers), mass (milli/grams, kilograms), and volume (milli/liters).

When children learn it

Metric unit systems are taught in 3rd through 5th grade, aligned to 4.MD.A.1 and 5.MD.A.1.

Teaching Tips

  • Use metric prefix staircase (kilo-, base, centi-, milli-).
  • Shift decimal points 1, 2, or 3 places when converting metric units.

Common Mistakes

  • Confusing metric conversion factors (100 cm in a meter vs 1,000 meters in a kilometer).
  • Misplacing decimal points when multiplying or dividing by 10, 100, 1,000.

More Measurement Concepts

Comparing SizesNon-Standard UnitsMeasuring LengthMeasuring CapacityMeasuring WeightChoosing the Right UnitTemperatureMeasurement Word ProblemsCustomary UnitsConverting UnitsConverting Between Systems
View all Measurement Worksheets