# Look At It This Way

## CHAPTER 12

Spinner
Explorer - Your child can use this explorer instead of a spinner
to practice determining the probability of an event. |

To use the Spinner Explorer, follow these steps:

- Click "n EQUAL SECTORS" and then click on a number to select the
number of sectors you want your spinner to have.
- Click "OK".
- Click the "SPIN ONCE" button.
- Examine the EVENT AND PROBABILITY CHART. The second last column
displays the probability of an event as a decimal.
- Click "SPIN n MORE TIMES" and then enter the number of times you
want to spin the spinner in the text box.
- Click "OK".
- Examine the chart again and notice the different data. Express the
probability of each event as a percent.
- Try spinning the spinner more times and observe what happens to
the data.