Mathematics 3

# Surf for More Math

## Lesson 7 - Estimating and Measuring Mass

To encourage students to have fun on the Web while learning about Estimating and Measuring Mass, here are some games and interactive activities they can do on their own or in pairs.

### Goal

Estimate and measure the masses of objects.

### Builds Upon

Student Book pages 276-277

### Instructions for Use

Animal Weigh In lets students estimate and measure masses of animals using metric and non-metric systems of weight.

To use Animal Weigh In, click on the level of difficulty and then the 'Start' button. Drag the weighs on the scale to match the weight of the animal. Click the 'Balance' button to check the answers. The exercise converts between metric and non-metric systems of weight.

Mass helps students practice measuring mass.

Click on the 'New Problem' button. Input the mass needed in the text box to balance the scale. Press 'Enter' on the keyboard. Click on the 'New Problem' button for the new example.