Do you know the functions of the primary organs in the human body? Put your knowledge to the test with this fourth- and fifth-grade crossword!

Third, fourth, and fifth graders will love this Valentine’s Day-themed word scramble! 

Challenge your second grader to create a Sudoku masterpiece! Deciphering the puzzle and finding the correct number placement will boost a number of skills.

Find your way from start to finish through these amazing mazes for third and fourth graders!

Challenge your fourth grader to find as many European countries from the word bank as possible, and when she's done she will each country's location on a map.

Challenge your fourth grader to find as many European country names from the word bank as possible, improving his geography vocabulary in the process.

Embrace Easter celebrations with this puzzle for third, fourth, and fifth graders!

Make a splash with this spring-themed sudoku for third, fourth, and fifth graders!

Embrace Earth Day with this classic number puzzle for third through fifth graders!

Celebrate Earth Day with this fun word puzzle for third, fourth, and fifth graders!

Introduce third, fourth, and fifth graders to hink pink riddles with this fair-themed worksheet!

Give learners an extra delicious challenge with level 2 of this Pie Picture Sudoku worksheet!

Put on your thinking caps and then buckle in for this Fair Ride Frenzy logic puzzle!

Challenge your child to find, circle, and locate eight European countries with this word search worksheet.

This challenging number puzzle is a great way to boost your child's critical thinking skills and strategic ability.

Set sail on a secretive sea in this ocean-themed puzzle worksheet for upper elementary students!

Take a journey across the globe with this fun word puzzle for upper elementary students!

Clap, splash, and zoom with this onomatopoeia crossword puzzle tailored for fourth and fifth graders!

Satisfy your sweet tooth with this Halloween-themed picture sudoku!

Spend a day at a fall festival with this seasonal word search for upper elementary students!

Figure out the results of an Easter egg hunt in this fun logic puzzle for upper elementary students!

Check out this state capitals word search, one of five worksheets to help kids memorize state capitals.

Play with words in this cheerful spring activity!

Need a fun activity to do on a long drive? Look no further than this tricky sudoku puzzle!

Pack your picnic baskets and get ready to solve this classic number puzzle!

Subtract your way through these math problems, and you'll be pleasantly surprised with the answer to a tricky riddle.

Give your brain a fun workout as you complete this summery worksheet!

This Valentine’s Day-themed sudoku puzzle is as sweet as can be!