Eight outside-the-box measuring units, from ducks to donuts, introduce pre-readers to the math concept of volume. Wonderous composite photos and a dash of text illustrate the volume of a bus, a bathtu
Introduce pre-readers to the math concept of length with eight goofy, non-standard measuring units, including kittens, toy airplanes, and gumballs. Delightful composite photos and a sprinkling of text
