Students using Key to Measurement will enjoy a variety of hands-on experiences related to the English system of measurement. Group projects are included in addition to numerous individual activities. In Book 1 students learn how a linear measurement system is developed and then do interesting and fun activities related to measuring length. Book 2 focuses on length, perimeter, and area measures. In Book 3 the concept of area is further developed, and students are introduced to volume. Book 4 covers a variety of topics. Students experiment with weighing objects and measuring capacity, and they also learn about temperature and time. Your students will develop a good understanding of measurement topics, and have fun in the process!