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

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

Colorful pictures make this logic game ready for very young kids to start building their skills while simply having fun.

Put your addition skills to the test with these puzzle boxes for second and third graders!

Put your child's spelling skills to the test. She'll search for four-letter words hidden in the word puzzles. How many can she find?

This puzzle printable features picture Sudoku for the Hanukkah season, with one puzzle for easy and one for medium.

Challenge learners with a delicious game of Pie Picture Sudoku with this engaging cut-and-paste worksheet!

Hone spelling skills and logic skills, all in one fun word ladder activity! Change just one letter at a time to work their way down the ladder.

Celebrate spooky season with this colorful puzzle for young learners!

Solve a cafeteria crisis with this first- and second-grade logic puzzle!

If your child is done with easy- and medium-level picture Sudoku maybe she's ready for this one.

Soar to new spelling heights with these word ladders! Kids will hone spelling skills and logic skills, all in one fun activity.

Spruce up spelling practice with these challenging word ladder puzzles! Kids will change one letter at a time to create a group of new words.

In the Starry Sudoku worksheet, kids solve four Sudoku puzzles. In each row, column, and block the numbers 1, 2, 3, and 4 must appear once and only once.

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

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

Solve Sudoku for beginners by using logical reasoning and critical thinking skills to place numbers 1 through 4 in each row, column, and block only once.

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.

Add a fun twist to math practice with these second- and third-grade addition puzzles!

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

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

Here's a colorful way to help your child see patterns in words. She'll change just one letter of each word to work her way down the ladder.

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

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

Kids will have a whale of a good time completing this Sudoku for beginners puzzle! Solve it by writing numbers 1 through 4 once in each row, column, and block.

WordGirl knows one place where she's sure to find lots of words - the library! This word scamble from PBS KIDS' WordGirl has lots of library words to find.

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