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.

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

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

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

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!

Invite your learners to hop into some fun with this seasonal Easter puzzle worksheet!

Ignite problem-solving prowess in your young math learners with this fun Easter puzzle worksheet!

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

It's April Fools' Day, and wackiness is everywhere! Help this brother and sister team figure out what's gone wrong in their office.

Exercise logical reasoning, critical thinking, and letter recognition skills with our letter Sudoku puzzle. It's perfect for kids who like math and reading.

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

Solve this Thanksgiving Sudoku puzzle by cutting and gluing pictures into the puzzle, with each picture appearing only once in each row, column, and block.

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.

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.

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!

Complete this easy Sudoku puzzle featuring lowercase letters m, n, o, and p! Solve it by writing lowercase letters only once in each row, column, and block.

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.