How Tall, How Short, How Far Away?
Grade 2-4-A lively discussion of the history of measurement that incorporates some hands-on activities Introduces several measuring systems such as the Egyptian, inch-pound, and metric system. More »
Grade 2-4-A lively discussion of the history of measurement that incorporates some hands-on activities Introduces several measuring systems such as the Egyptian, inch-pound, and metric system. More »