Learn about place value and how to write whole numbers in standard form and expanded form.

Learn how to round numbers to the nearest tenth.

Learn how to round numbers to the nearest hundredth.

Practice rounding to the nearest ten, the nearest hundred, and the nearest thousand. After selecting the above link, choose which unit you want to round to and then click on the blue button to start the activity.

Practice rounding to the underlined digit. After selecting the above link, click on the green button to start the activity.

Practice rounding large numbers to the nearest thousand, ten thousand, hundred thousand, and million. After selecting the above link, click on the orange button to start the activity.

Practice arranging large numbers in the correct order from least to greatest.

Review the definitions of commonly used math terms.