# Surf for More Math

## Lesson 5 - Measuring and Comparing Capacity

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

### Goal

Estimate, measure, and compare capacities, and determine relationships among units.

### Builds Upon

Student Book pages 312-313

### Instructions for Use

Capacity allows students to make comparisons and measure the capacity of virtual liquid in several containers.

To use Capacity, click on the button to pour the water from cylinder one to cylinder two. Click the arrow button to pour the water from cylinder one to cylinder three.

Measuring Cylinder prompts students to estimate and measure the capacity of virtual liquids by turning the tap on, or turning the drain tap.

To use Measuring Cylinder, click on the red marker to show the level marker in the cylinder. Use the control arrows to move the marker or reset it in the center of the scale. To change the value of the scale, click the 'Maximum' buttons up or down. To change the scale interval, click the 'Interval' buttons up or down. Click the control panel on the tap to set the amount of liquid to add to the cylinder, or click the tap to add liquid. To release the liquid in the cylinder, click the control panel at the drain tap and set the amount of liquid to drain, or click the drain tap and release the liquid. Click the 'Reset' button to start again.

Can you fill it? lets students estimate the amounts containers can hold.

To use Can you fill it?, click on the pot to fill the containers with water. There is a choice of three different size pots. Using the fewest combinations of pots, fill the container without letting it spill over.