Page 47 - NUMINO TB_2B

Activity 3 Estimate Mass

1 Estimate the objects’ mass in grams. gram (g)
kilogram (kg)
Let’s Play

1. Find 3 objects to measure their mass. What you need
2. Place the objects in a line.

3. Hold each object in you hand. Estimate the mass

Pan Balance Scale

in grams.

4. Use a pan balance scale and unit cubes to Unit Cube
measure the mass. A unit cube measures 1g.

5. Find the difference between your estimate and the

actual measurement.

6. The person with the smallest difference wins.

I estimated the
mass of the
crayon at 4g,

but its mass is 5g.

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