In this seventh unit of an introductory Spanish course, students learn how to talk about their families, compare Latino family values to their own, discuss the Spanish royal family, create a family tree, recite a rhyme, and learn about...

In this tenth unit of an intermediate Spanish course, students learn about transportation systems in Spanish-speaking countries and how people travel. They will listen, speak, and write about traveling using related vocabulary. They will...

Convert units of area by entering the value to convert and the from and to units.

In this volume calculator, conversions are performed by using a conversion factor. By knowing the conversion factor, converting between units can become a simple multiplication problem.

This online conversion calculator will convert among different units of weight or mass.

This page explains the relation between liters and milliliters and the conversion between these units. Included are solved examples and interactive problems for review.

A comprehensive guide for learning all about measuring weight with definitions, units of measurement, and conversion.

Given quantitative data, students will express and manipulate quantities using dimensional analysis.