Mathematics 7

# Surf for More Math

## Lesson 1 - Exploring Probability

To encourage your child to have fun on the Web while learning about Exploring Probability, here are some games and interactive activities they can do on their own or in pairs.

### Goal

Determine the probability from an experiment.

### Builds Upon

Student Book pages 412-413

### Instructions for Use

Probability lets your child experiment with probability by spinning a spinner.

To use Probability, start by selecting 'Preset Spinner'. Choose the number of spins - 1, 5, or 10. Click the 'Spin' button. A tally chart records the results of each spin. Press the 'Clear Tally' button to clear the results and start again.

To use 'Make Your own Spinner', select the 'New Spinner' button. To increase or decrease the colour sections, click the '+' or '-' buttons, or drag the black dots on the spinner. Choose the number of spins - 1, 5, or 10. Click the 'Spin' button. A tally chart records the results of each spin. Press the 'Clear Tally' button to clear the results and start again.

Spinning Spinners lets your child make predictions about the frequency of the result of each spin.

To use Spinning Spinners, select one of the pairs of spinners. In the text field, enter the number of spins up to 1 million. Click the 'Play' button. The scores of the two spinners will be either added or subtracted and the frequency of the total recorded on a bar graph.