Deena has a problem: her mum's birthday is coming, but she has no money to buy a present. How does a lucky penny help Deena solve her problem? This story examines the concept of money. The Math Matters helps children make the connection between the math they are learning at school and their everyday world. Each story focuses on a single math concept and shows how kids use math in real-life situations.

Illustrated by: Joan Holub, Cynthia Fisher