Decimal values are parts of whole numbers, including tenths, hundredths and thousandths. You can add and subtract decimal numbers in the same way as whole numbers using place value charts. You can put ...

When you do not need to speak or write about exact quantities or measures, learning to round decimals can be useful. Rounding decimals is useful when making an estimation. The process is similar to ...

Represent fractions as parts of a set using the decimal fraction one-hundredth (0.01). Practice reading and writing decimals. Explore mixed fractions and decimals. Compare mixed decimals. Understand ...