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Brain Teasers for Every Grade Level

Get those mind muscles moving and plow your way through these 20 brain teasers. Put your math, spelling, and logic skills to the test. Some are easy, some are hard, but they're all fun!

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Click on a worksheet in the set below to see more info or download the PDF.

Find the Differences Game

Find the differences with TuTu, one of the colorful characters of Brainzy reading games from Education.com!
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Catch the Crook!

Call on logic and reasoning in this sneaky math worksheet.
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Optical Illusions for Kids

Teach your kids about optical illusions using these three puzzle sheets. Their minds will be tickled as they see how our vision can play tricks on us.
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Riddles and Codes

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.
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Goat Riddle

Think outside the box! Your child can exercise his logic by figuring out how quickly the mountain goat will get to the top of the hill.
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Lowercase Letter Sudoku: qrst

Help your kid practice logical reasoning and critical thinking skills in our lowercase letter Sudoku puzzle. Fill in the Q's, R's, S's, and T's in our puzzle.
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The set is continued below.

Give Me 5

Add the number 5 to incorrect addition, subtraction, multiplication and division problems to fix them.
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Word Pyramid

Make words from jumbled up letters. As long as the letters are somehow connected in this triangle pattern.
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Word Ladders

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

Find the hidden rule in these puzzling math tables! Compare your "in" number to the corresponding "out" number to find the pattern in each table.
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Word Scramble: Colors!

It's a colorful scramble! Word scramble that is. This brain teaser is a great travel activity.
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Math Riddles: Addition

What do sea monsters eat? Solve the math problems in this worksheet to reveal the answer! This math worksheets gets kids to build math and spelling skills.
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The set is continued below.

Ancient Pyramid Vocabulary Game

Match definitions with 4th grade vocabulary words to make it to the top of an ancient pyramid.
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Line Logic: Parallel and Perpendicular

This worksheet helps kids understand the difference between parallel and perpendicular lines.
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Kitchen Word Scramble

This great printable works on learning to spell basic items from the kitchen, write alphabet letters and build vocabulary!
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Presidential Name Scramble

This great brain teaser challenges your child to unscramble president names and a riddle. It's a fun Presidents Day worksheet featuring Mount Rushmore!
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Word Scramble: Flying!

This brain teaser is a great travel activity. Give your kid this word scramble the next time she takes a plane trip to challenge her mind and pass the time!
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Missing Letter Game

Combine language skills with logical problem solving to fill in the missing letters.
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Snake Sudoku

On this second grade math worksheet, kids use their logical reasoning and critical thinking skills to solve a Sudoku number puzzle.
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Want to download this whole set as a single PDF?

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