Addition doesn't have to be puzzling—practice finding sums with these second- and third-grade puzzle boxes!

KenKen® is a new great puzzle for students to use to practice addition and subtraction facts!

This is a medium-difficulty math and logic KenKen® puzzle uses addition, subtraction, multiplication and division and, of course, a lot of logic!

Crack the code in this printable phonics worksheet all about words ending in -ng and -nd.

Set your sleuth-in-training on the case with this hidden-message activity.

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

This difficult puzzle will help your students become a KenKen® master as they use different operations and a lot of logic to solve it!

Sew together some critical thinking and problem solving skills along with some basic math practice as you solve this fun sudoku puzzle.

Math search puzzles are a fun and clever way of helping kids review math facts. Print 'em out and see how many your kid can find!

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

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

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

This winter, curl up with a mug of cocoa and a tricky puzzle!

Say goodbye to spring fever with this sweet spring-themed math puzzle!

Have some fun in the sun with this satisfying sudoku puzzle!

Solve a sunny, summery sudoku puzzle in this sandcastle-themed puzzle!

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

Save your day from boredom with the help of this sudoku puzzle!

First and second graders will LOVE finding the missing numbers in this adorable Valentine’s Day math puzzle!

Find the value of each symbol with this Earth Day-themed math puzzle!

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

Step into the snowy winter season with this skating-themed sudoku puzzle!

Solve a sweet sudoku puzzle in this Valentine’s Day-themed worksheet for first and second graders!

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

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a colorful Sudoku puzzle.

In this kindergarten math worksheet, kids use logical reasoning and critical thinking skills to solve a Sudoku puzzle with lowercase letters E, F, G, and H.

Kindergarten students who love math and reading will enjoy our Sudoku puzzle. Try our Sudoku puzzle to exercise critical thinking and letter recognition skills.

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a Sudoku puzzle with capital A, B, C, and D.

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a Sudoku puzzle with capital I, J, K, and L.

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a Sudoku puzzle with capital M, N, O, and P.