Whether it's allowance or a dog-walking business, kids are often looking for ways to earn an extra buck. Tap into that interest with practice that includes calculating tips, sales tax and commission.

Your child may be able to read a clock, but what about the passage of time? This workbook is all about elapsed time, and how to both estimate and calculate how much time has passed in between hours.

Fractions and decimals are way more fun when you apply them to real life scenarios, like parties, food and pets! This workbook teaches kids all about splitting up numbers.

This book is all about logic puzzles, challenging kids to crack codes and determine answers by process of elimination and by observing clues. It exercises skills like reading, planning and reasoning.

In this arrays 101 workbook, we explore and practice concepts like multiplication, repeated addition, factors, and products — all using arrays!

A roll of the dice. A flip of a coin. A game of rock, paper, scissors. Kids are calculating probability all the time. The ability to predict outcomes based on the odds is the focus of this series.

Get math practice off the bench to calculate percentages, read graphs, add fractions and round decimals to bring math skills all the way home. This book knocks one out of the park for baseball lovers.