Presents a selection of 120 math problems designed to be solved in a bedtime environment to help promote child receptiveness to mathematical concepts, combining brief stories with three math questions per spread for preschoolers and elementary-aged children.

When the string of a borrowed necklace breaks, Nina must quickly get the beads back in order and restrung before her sister finds out.

A biography of Sophie Germain, who grew up during the French Revolution and followed her dream of studying mathematics, becoming the first woman to win a grand prize from the Royal Academy of Sciences and changing the world with her discoveries.--