# Surf for More Math

## CHAPTER 10: MASS

**Lesson 3: Choosing Units to Measure Mass **

Use these interactive activities to encourage students to have fun on the Web while learning about the mass of objects. Students can try these activities on their own or in pairs.

**Goal**

Select appropriate units, and record measurements.

[C, ME, R]

**Instructions for Use**

**Mass Using Grams** has students determine how the mass of different items compares to 1 gram.

To use Mass Using Grams, read through the description of what items can be measured using grams. Click on Lets Practice! For the first part, order the object from least to greatest mass. Click “Check your answer” to see the correct order. For the second part, select the items where you would use grams to find the mass.

**Units for Mass** has students determine the appropriate units of mass to use for different items.

To use Units for Mass, read through the description of the different between grams and kilograms. Click on Let’s Practice! Select the appropriate units for finding the mass of each item.