- Writing decimals and fractions greater than 1 shown on grids
- Identifying hundredths on a number line
- Division with area models
- U.S. customary units: distance
- Adding whole numbers by their place values
- Regrouping numbers into various place values
- Rewriting fractions as decimals
- Writing a number in expanded form
- Converting metric units of length
- Quadrilateral properties More Khan Academy videos...