Decimal Squares - eight interactive activities to work on naming, comparing and adding decimals. Some activities may be worked on with a partner.
Decimal Ducks practice decimal place value to the thousandths place.
Internet 4 Classroom with a variety of decimal links. Includes comparing decimals and addition and subtraction with decimals.
Visual Fractions - find the location of the fraction based on a number line. Also Sliding Scale activity to learn decimal fractions.
AAA Math practice with naming, adding and subtracting decimals, and equivalent decimals and fractions.
Gamequarium Decimals with a variety of free decimal activities. You may need to set up a free account first. Includes locating decimals on a number line.
Hooda Math geometry activities