Dive into underwater themed word problems to discover numbers to round, and multi-step problems to put kids through the four operations.

This workbook makes grammar practice fun for your child by applying it to games and storytelling.

The best kind of mental workout! Enjoy calculating the mystery numbers, identifying the mystery digits, spotting patterns, playing games, and even drawing pictures with these engaging math puzzles.

Celebrate the Summer Olympics with this activity book. Learn some history, get to know Olympic athletes and ready yourself with all the tools you need to host your very own backyard games!

Approach spelling from another angle with this brain teasers workbook. It touches on a mix of subjects from U.S. geography to a bit of science.

Introduce your third grader to the basics of multiplication with these handy times table charts, worksheets and word problems.

Scale math heights using this workbook that's based on real measurements of U.S. geography. Kids rely on charts and data provided to answer word problems.

This workbook helps rising third graders brush up on their skills over the summer months by engaging them with targeted practice in core subjects, including word study, math, reading and writing.

The activities in this workbook do double-duty as both vocabulary practice and earth science review with a collection of word scrambles, crosswords, and quizzes about animals, plants and planets.

This summer-themed workbook prepares rising fourth graders to start school with the skills they’ll need, and includes practice with the core subjects of word study, math, reading, and writing.

Here's an arsenal of April Fools' Day fodder! Kids will be armed with facts, pranks and puzzles. Plus, they'll be tickled by goofy writing prompts, silly word problems and wacky reading comprehension.

Division practice has never been more fun with these math worksheets for the sporting and game lover.