CHECK FOR UNDERSTANDING: Now answer a few questions to see what you've learned in previous lessons.

Remember, integers are whole numbers (negative or positive!) with no decimal or fractional parts, such as 125.

Remember, floats are numbers with decimal or fractional parts, for example: 10.5 or 5.0.

• Click Run and watch the stage. Then click on the correct answer to each question on the stage.
• When you've answered all three click Submit and Next to continue.

To navigate the page using the TAB key, first press ESC to exit the code editor.