Student resources
Grades 2-6
Measurement Tools for Students
Choosing the right measuring tool helps students get a sensible answer before converting units.
Key ideas
- Use a ruler or tape measure for length.
- Use a scale or balance for mass and weight.
- Use a measuring cup, graduated cylinder, or beaker for volume.
- Use a thermometer for temperature and a stopwatch for elapsed time.
Common Measuring Tools
| Tool | Measures | Common units |
|---|---|---|
| Ruler | Small lengths | in, cm, mm |
| Tape measure | Longer lengths | ft, in, m, cm |
| Scale | Mass or weight | g, kg, oz, lb |
| Measuring cup | Cooking volume | cups, fl oz, mL |
| Thermometer | Temperature | C, F, K |
| Stopwatch | Elapsed time | seconds, minutes |
| Protractor | Angles | degrees |
| Graduated cylinder | Liquid volume | mL, L |
Practice questions
Which tool should you use to measure a pencil?
Calculation: A pencil is a small length, so use a ruler
Answer: ruler
Which tool should you use to measure 250 mL of water?
Calculation: Milliliters measure liquid volume, so use a measuring cup or graduated cylinder
Answer: graduated cylinder or measuring cup
Which tool should you use to measure body temperature?
Calculation: Temperature is measured with a thermometer
Answer: thermometer
Which tool should you use to time a 100-meter run?
Calculation: Elapsed time is measured with a stopwatch
Answer: stopwatch