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 ...

Learn how to subtract decimals that have a different number of decimal places. Let's set out the calculation as a column subtraction. When we set out a column subtraction we make sure our ones, tenths ...

The aim of this guide is to show how to add decimals with a different number of decimal places. We will focus on the formal written method. Let's look at some examples. Set out the calculation, making ...

Words matter. And when it comes to learning math, they matter more than you might think.

Students in Melissa Williams' kindergarten class at the Westminster School in Atlanta, Georgia, practice connecting quantities to written numbers — a key part of number sense. Credit: Holly Korbey for ...