Lift-the-Flap: Measuring Things (Usborne)
Master all kinds of measuring as you lift over 150 flaps in this informative book. There are speeds to calculate, thermometers to read, and lengths to measure with a handy pop-out ruler! All the major units and instruments used for measuring length, temperature, time, weight, and volume are covered. Hands-on interactive flaps show familiar real-world examples that make it easier for children to understand why and how we measure things. Also covers the differences in US customary and the metric system units of measurement.