What's both fun and challenging? These Riddles and Codes worksheets, which pack a one-two punch of brain teasers.

What has teeth but no mouth? Find out the answer to this and more riddles in this Riddles and Codes worksheet.

What can run but can't walk? Reveal the answer to this clever riddle by cracking the number code in this Riddles and Codes worksheet.

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

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

Spark curiosity and problem-solving skills in young learners with this engaging spring-themed math puzzle!

On this fun Halloween Sudoku, kids use their logical reasoning and critical thinking skills to solve this puzzle.

Practice addition and subtraction within 20 with this sweet Valentine’s Day math puzzle!

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

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.

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a Sudoku puzzle with capital Q, R, S, and T.

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a Sudoku puzzle with capital U, V, W, and X.

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

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

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a Sudoku puzzle with the numbers 1, 2, 3, and 4.

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a Sudoku puzzle with the numbers 5, 6, 7, and 8.

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a Sudoku puzzle with the numbers 9, 10, 11, and 12.

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a Sudoku puzzle with the numbers 13, 14, 15, and 16.

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a Sudoku puzzle with the numbers 17, 18, 19, and 20.

On this fun second grade math worksheet, kids use their logical reasoning and critical thinking skills to solve four Sudoku number puzzles.

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a Sudoku puzzle with an Independence Day theme.

Practice addition and subtraction within 10 in this St. Patrick's Day-themed math puzzle!

Help reunite Paul Bunyan and the blue ox, Babe, by drawing a line that connects the two of them. Then color it in when you're finished.

Learners practice addition and subtraction within 20 in this St. Patrick's Day-themed math puzzle!

This Cupid match worksheet gets your child to focus on finding matching pictures. Find Cupid and his cupid match in this fun worksheet.

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

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

On this second grade math worksheet, kids use their logical reasoning and critical thinking skills to help the squirrel solve four Sudoku number puzzles.