Some devious mice have stolen important information from the periodic table. Can middle-grade chemists put the elements back together again?

Important information has gone missing from the periodic table. Can you fix up these elements so that they read the right way?

This painless--even fun!--worksheet gets middle-grade students practicing with the information in the periodic table of elements.

Learn to compare positive and negative integers with these sixth-grade practice problems!

Children estimate the answers to four decimal division problems in this math worksheet.

Detect the disappeared data in this delightful worksheet!

Get ready for a winter-themed word challenge in this middle-grade worksheet!

Make sense of the mean with the help of this sixth-grade worksheet!

Use squares to explain square roots with this helpful eighth-grade worksheet!

You won’t need to be lucky to solve these integer addition problems!

Help students hone spelling and vocabulary skills with this sweet, pastry-themed grammar worksheet! 

Help students hone spelling skills with this music-themed worksheet!

Let your math skills shine bright as you complete this seventh- and eighth-grade algebra worksheet!

Challenge your logic skills in this tricky word puzzle!

Young scientists are the only hope for finding the missing information from these elements of the periodic table!

This list of elements is missing mega-information: a combination of category, name, number, or symbol. Can you fix them up?

These elements are all out of sorts! Can you check out the periodic table to find the missing information from each element?

Get into the spirit of fall with this middle-grade numbers puzzle!

In this tricky space scramble, shoot for the mono—no, the moon!

Students apply their knowledge of ratios and rates to real-world problems with this math worksheet!

Students will add, subtract, multiply, and divide fractions to solve two-step word problems.

Help students sharpen their logic skills using this fun, thought-provoking nonogram puzzle!

Students demonstrate their proportional relationship knowledge with this algebra-based performance task!

Solve systems of linear equations by graphing and locate hidden treasure with this engaging algebra activity!

Get ready to hunker down this season with these fun winter-themed analogies!

Learn how to simplify algebraic expressions step by step with this sixth- and seventh-grade math worksheet!

Boost your chemistry skills by filling in the missing information about the elements, using the included periodic table.

Go on a cool vacation—or a hip trip—to the riddle realm in this clever worksheet!

Celebrate the springtime by completing this classic word puzzle!

After you’ve run around collecting eggs, take time to exercise your brain with this fun Easter-themed Sudoku for middle schoolers!