Before you dress up and go trick-or-treating, try a problem-solving challenge full of cool Halloween costumes!

Hey math whizzes, here is a challenge for you! These math puzzles are tricky, but are a fun spin-off of the popular Ken Ken puzzle.

Hey math buffs, do you need a challenge? These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

Is your child a math whiz who needs a challenge? These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

This is for all you math whizzes who need a challenge! These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

If your child is mad for math, give him a challenge! These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

If your student needs a challenge in math, try these math puzzles! These math grids are tricky, but are a fun spin-off of the popular Ken Ken puzzle.

Does your child need a little challenge in math and problem solving? These math puzzles are tricky, but are a fun spin-off of the popular Ken Ken puzzle.

Are you ready for a connect-the-dots challenge? See if your math whiz can connect all nine dots using only four lines and never lifting their pen from the paper.

Sudoku and Ken Ken enthusiasts will enjoy this mad math puzzle, full of addition, subtraction, multiplication, and division challenges.

Use your logic skills to out what each kid at the costume contest dressed up as! 

Practice mixed operations with this fourth-grade math puzzle!

This missing numbers math puzzle will get your kid thinking creatively. Kids who enjoy Ken Ken and Sudoku puzzles will like this amazing math puzzle.

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

Puzzle your way to perfection in this fun pool-themed worksheet!

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

Introduce second- and third-grade learners to the exciting world of logic puzzles with this engaging worksheet!

Ready or not, engage students with this hide-and-seek-themed logic puzzle!