Place value and decimals

To really understand how decimal numbers work, we need a deep understanding of place value. The big picture goal of these tutorials is to connect decimal place value to the idea of multiplying by 10.
See how you score on these 20 practice questions

Learn how to round decimal numbers to specific place values. For example, round 3.14159 to the nearest hundredth as 3.14.

Learn how exponents are a simpler way to write something like 10x10x10.

For a number like 34.135, learn how to compare the 3 in the tens place to the 3 in the hundredths place.