Challenge your fourth grader with these spelling worksheets that include grade-specific words and word problems involving new vocabulary.

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.

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.

Squeeze in some extra practice in word analysis, spelling, and punctuation with these engaging vocabulary worksheets.

This workbook builds reading comprehension by reinforcing vocabulary with word puzzles, homophones and a few quick reading pages.

This workbook is packed with worksheets that will help rising second graders practice the core concepts featured in the second grade curriculum, from word study and math to reading and writing.

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.

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.

This workbook is swift to get through, much like the mushers who participated in The Great Race of Mercy. Through reading passages and math problems learn about the event that saved lives.

Kids can write, graph and read their way through Valentine's Day with a sweet mix of history, writing and math! Kids will explore both the mythical and practical side of this day.

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!

Get your hands dirty in the name of science! Explore the basic elements of the earth's surface with this beginner's guide to rocks, soil, and processes that change them.

This workbook helps rising fifth graders brush up on key skills from fourth grade so they're ready to start fifth grade!

Rising sixth graders will review what they learned in fifth grade, plus brush up on math and literacy skills, with this engaging workbook.