Students identify the different place values. For this algebra lesson, students represent decimal place values with manipulatives. They identify the correct place value using commas and mathematical reasoning.

Second graders study the decimal point and study tenths, hundredths, and thousandths. They explain ways to read and write decimals.

Second graders round to the closest five, ten, and hundred. They use place-value concepts of grouping based upon powers of ten (thousandths, hundredths, tenths, ones, tens, hundreds, thousands) within the decimal number system.

Young scholars explore mathematics by participating in a group activity. For this number value lesson, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Young scholars...