In no time at all, your third grader will be a pro at changing units of measurement — like converting between grams and kilograms.

Test your third grader's handle on common units of measurement with this quick practice quiz.

Give your third grader's measurement muscles a workout with this worksheet that's packed with comparison and conversion questions.

Children will practice reading liquid measurements in liters and milliliters in this appealing math worksheet.

Learners will refer to a metric conversion chart to answer 16 questions in this introduction to metric units of length.

Learners practice converting kilometers, meters, and centimeters in this fun track and field themed worksheet.