We use a decimal point to separate units (ones) from parts of a whole, such as tenths, hundredths, thousandths, etc. \({0.1}\) is a tenth, \(\frac{1}{10}\), of a one ...

How well do you understand decimal place value with numbers that include hundredths? Get a starting number, such as 46.87, and work towards turning it into a target number, such as 85.32. Spin a ...

When adding and subtracting numbers it's important to be consistent with positive and negative values. Remember that two plus signs or two minus signs make a positive. One plus and one minus make a ...