Fluent readers know how to tackle tricky words. Help young readers build their reading muscles by practicing identifying and decoding challenging words with this worksheet.

Do dogs bark, flap, or swing? Pair animals with relevant verbs in this first- and second-grade worksheet!

Play family detective and learn how to read old census documents.

Become a math detective with this inviting first-grade worksheet!

Become a decimal detective in this inviting expanded form worksheet!

Don’t be a copycat! Learn how to cite sources and spot plagiarism with this middle-grade worksheet.

Put your detective-in-training on the case with this secret-message activity.

Become a genetic detective with this inquisitive life-science worksheet!

Learners sleuth out the area of three triangles in this simple geometry worksheet.

Learners sleuth out the area of three triangles in this helpful geometry worksheet.

This colorful worksheet asks your fourth grade geometry detective to practice identifying right triangles.

Let your fourth grader play triangle detective: can she spot the acute triangles on this worksheet?

Turn your child into a geometry detective! How many degrees is each missing angle in these quadrilaterals?

Find the mysterious missing numbers in this engaging division worksheet!

Try your hand at being a history detective as you study primary sources from the night the Titanic sank.

In this excerpt from an upcoming math workbook, your junior detective will make a positive ID on obtuse, acute and right angles.

There's been a periodic table of the elements robbery! Channel your chemistry detective skills with this fun worksheet.

Is your child an amateur detective? Challenge her to figure out the mystery animals in this series of connect-the-dots puzzles.

Invite your learner to be a geometry detective as they find the missing base in a series of acute triangles! 

This is Sherlock Holmes, the greatest detective of them all. He spends his days solving mysteries around London with his assistant, Watson.

Ready to try your hand at some detective work? Use the clues and the table provided to solve this tricky logic problem.

Can you guess the job? Put your detective skills to the test in this fun worksheet for second and third graders!

Ready for another round of where in the world? Be an international math detective as you solve addition problems to discover the secret location!

Get ready to use your best detective skills in this mystery-filled word activity for second and third graders!

Using her long division savvy, your child will help Detective Zoey Chase track a notorious criminal in this adventure-filled 5th grade math worksheet.

Your child will solve long division problems to help Detective Zoey track a notorious criminal across the West Coast, USA in this 5th grade math worksheet.

Adjective clauses are easy to find in a sentence -- if you know how to look for them. In this adjective clause worksheet, you're the grammar detective!