Grade 3 Measurement Worksheets
Free printable measurement practice for Grade 3 students. Generate problems, solve them on screen or paper, and download as PDF.
Practice Worksheet
Grade 3 Measurement Practice
Solve each problem. Show your work.
- 1.A rectangle has 4 rows of 6 square tiles. What is its area?
- 2.Find the perimeter of a rectangle that is 7 cm long and 3 cm wide.
- 3.Which unit is best for the mass of an apple: grams or kilograms?
- 4.Which unit is best for the capacity of a water bottle: millilitres or litres?
- 5.A movie begins at 1:15 and ends at 2:45. How long is the movie?
- 6.A square has side length 5 cm. What is its perimeter?
Show answer key
- Question 1: 24 square units
- Question 2: 20 cm
- Question 3: grams
- Question 4: millilitres
- Question 5: 1 hour 30 minutes
- Question 6: 20 cm
Free Practice Worksheets
Print, solve on paper, then upload a photo for AI feedback and feedback.
Build confidence with approachable problems
Solve each problem. Take your time.
- 1.Find the perimeter of a rectangle with sides of 3 cm and 4 cm. (Perimeter = side + side + side + side)
- 2.Find the area of a rectangle that is 3 units wide and 5 units long by counting square units. (Area = length × width)
- 3.Choose the best unit to measure the length of a pencil: centimeters or meters?
- 4.A movie starts at 2:00 and ends at 2:30. How many minutes have elapsed?
- 5.Find the perimeter of a square with each side measuring 5 cm.
- 6.Calculate the area of a rectangle with a length of 6 units and a width of 2 units.
A selection of topic skills
Solve each problem. Show your work.
- 1.Which unit would you use to measure the length of a pencil: centimeters or meters?
- 2.Calculate the perimeter of a rectangle with a length of 6 cm and a width of 4 cm.
- 3.A small garden bed is 5 feet long and 3 feet wide. What is the total area of the garden in square feet?
- 4.Sarah started reading her book at 4:15 PM and finished at 4:50 PM. How many minutes did she spend reading?
- 5.Compare these two areas: A rectangle with sides 2 units by 8 units vs. a rectangle with sides 4 units by 5 units. Which one is larger?
- 6.A train leaves the station at 10:30 AM and arrives at its destination at 12:00 PM. How long was the train ride?
What Your Child Will Learn
Grade 3 introduces perimeter as the total distance around a shape, calculated by adding the lengths of all sides. Students measure and construct shapes with a given perimeter and begin distinguishing between millimetres, centimetres, metres, and kilometres, learning when each unit is appropriate — a kilometre for the distance to school, a millimetre for the width of an ant.
Students also measure mass in grams and kilograms and capacity in millilitres and litres, choosing the right tool and unit for the situation. Time skills extend to reading clocks to the minute and solving elapsed-time problems that cross the hour. Comparing and converting between related units (for example, recognizing that 100 cm equals 1 m) builds number sense that supports later, more formal unit conversion.
Skills Covered
- Calculating perimeter by adding side lengths
- Choosing appropriate units: mm, cm, m, and km
- Measuring mass in grams and kilograms
- Measuring capacity in millilitres and litres
- Reading time to the minute and solving elapsed-time problems
- Relating units within the metric system (100 cm = 1 m)
Curriculum Aligned: Aligned with Strand E (Spatial Sense): measuring perimeter and selecting appropriate standard units for length, mass, capacity, and time.
Parent Tip: Have your child measure the perimeter of a room or garden bed using a tape measure, then check their addition. Real spaces make perimeter far more meaningful than shapes on a worksheet.
What your child will practice
- Measurement UnitsEstimate, measure, and record length, height, and distance using standard metric units.
- PerimeterDetermine the perimeter of polygons by adding side lengths.
Want Personalized Measurement Practice?
Create a free family account for one personalized worksheet and one homework check, with saved work and progress for every learner. Premium unlocks unlimited AI practice and homework checks.
Create a Free AccountFinished the worksheet? Review it with AI feedback
Snap a photo of your child's completed Grade 3 measurement work and review AI feedback on the answers and steps it can read.
Check my workFrequently Asked Questions
What measurement skills should my child learn?
K-2: comparing lengths, telling time, counting money. Grades 3-4: standard units, perimeter, area. Grades 5-6: volume, unit conversions, and more complex measurements.
How can I practice measurement at home?
Cooking (measuring ingredients), building projects (measuring lengths), telling time, and handling money all reinforce measurement concepts naturally.
Does my child need to know both metric and imperial?
Most curricula focus on metric (meters, grams, liters) but familiarity with common imperial units (inches, pounds) is helpful for everyday life.