100 plus reproducible activities dealing with operations, fractions and decimals, whole numbers, perimeter and area, regrouping, solving word problems, money, and measurement.
Traces the history of various scientific instruments and forms of measurement, from systems of weights and measures to high-tech instruments for measurement, navigation and cartography, and more.
Investigates the mathematics of time through a look at an ordinary day in the lives of cousins Tia, who lives in Mexico City, and Rod, who lives near Chicago. Looks at digital and analog clocks.
Introduces children to pounds, explaining how pounds are used to measure the weight of certain things, describing different things that weigh a pound, and encouraging children to learn more by weighing things they commonly use.
Compares the lengths of several items in a family's home, including three shoes, three letters, three spoons, and other objects, showing which ones are longest and shortest.