Ohio Mathematics Academic Content Standards (2001)
Identify appropriate tools and apply counting techniques for measuring side lengths, perimeter and area of squares, rectangles, and simple irregular two-dimensional shapes, volume of rectangular prisms, and time and temperature.
Principles and Standards for School Mathematics
Apply appropriate techniques, tools, and formulas to determine measurements.
select and apply appropriate standard units and tools to measure length, area, volume, weight, time, temperature, and the size of angles;