Volume is the measurement of space occupied in three dimensions. Practice calculating the volume of 3-D shapes using a variety of techniques and with real-life examples through a series of engaging problems and questions.

Mastering the multiplication tables is a big step for kids! Help your student nail down his times tables with this round-up of helpful strategies, cool shortcuts and practice pages.

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.