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School, Science & Math Riddles

Riddles about school subjects, science, math, the human body, technology and the mind. Good for classrooms and curious kids, with hints and answers.

🔬 School & Science

Tooth Riddles: 30 Toothy Riddles with Answers for Kids

November 2, 2026
Tooth Riddles: 30 Toothy Riddles with Answers for Kids on Riddlepedia

30 tooth riddles for kids with hints and answers: brushing, flossing, dentists, the tooth fairy, baby teeth and the amazing teeth of sharks and beavers.

Categories School, Science & Math Riddles, Riddles Tags dental health, dentist riddles, human body, riddles for kids, teeth, tooth fairy
🔬 School & Science

Thanksgiving Math Riddles: 25 Word Problems with Answers

November 1, 2026
Thanksgiving Math Riddles: 25 Word Problems with Answers on Riddlepedia

25 Thanksgiving math riddles with hints and worked answers: turkeys, pies, dinner rolls and parade times in festive word problems for grades 2 to 6.

Categories School, Science & Math Riddles, Riddles Tags classroom riddles, math for kids, math riddles, mental math, thanksgiving, word problems
🔬 School & Science

Pattern Puzzles for Kids: 30 What-Comes-Next Puzzles

October 30, 2026
Pattern Puzzles for Kids: 30 What-Comes-Next Puzzles on Riddlepedia

30 pattern puzzles for kids with answers: number sequences, letter patterns, shapes, emoji, days and months. Spot the rule, then say what comes next.

Categories School, Science & Math Riddles, Riddles Tags classroom riddles, math puzzles for kids, number patterns, pattern puzzles, sequences, what comes next
🔬 School & Science

Grammar Riddles: 30 Riddles About Words and Punctuation

October 27, 2026
Grammar Riddles: 30 Riddles About Words and Punctuation on Riddlepedia

30 grammar riddles with answers for grades 3-8: parts of speech, punctuation marks, homophones, tricky plurals and sentences that change meaning with one comma.

Categories School, Science & Math Riddles, Riddles Tags classroom riddles, english riddles, grammar, homophones, parts of speech, punctuation
🔬 School & Science

Halloween Math Riddles: 25 Spooky Word Problems with Answers

October 26, 2026
Halloween Math Riddles: 25 Spooky Word Problems with Answers on Riddlepedia

25 Halloween math riddles with hints and worked answers: pumpkins, candy, bats and witches’ brooms in spooky word problems for grades 2 to 6. Great for class.

Categories School, Science & Math Riddles, Riddles Tags classroom riddles, halloween, math for kids, math riddles, mental math, word problems
🔬 School & Science

Math Brain Teasers: 25 Puzzles with Step-by-Step Answers

October 21, 2026
Math Brain Teasers: 25 Puzzles with Step-by-Step Answers on Riddlepedia

25 math brain teasers with hints and step-by-step answers: quick mental-math puzzles for kids, then pizza cuts, painted cubes and jug puzzles for grown-ups.

Categories School, Science & Math Riddles, Riddles Tags brain teasers, classroom riddles, logic puzzles, math puzzles, mental math, word problems
🔬 School & Science

Astronaut Riddles: 30 Space Riddles with Answers

October 18, 2026
Astronaut Riddles: 30 Space Riddles with Answers on Riddlepedia

30 astronaut riddles with hints and answers about rockets, moonwalks, spacesuits and life on the space station. Real space facts, from easy to tricky.

Categories School, Science & Math Riddles, Riddles Tags astronauts, moon landing, riddles for kids, rockets, science riddles, space, space station
🔬 School & Science

Spelling Riddles: 30 Letter and Word Riddles with Answers

October 17, 2026
Spelling Riddles: 30 Letter and Word Riddles with Answers on Riddlepedia

30 spelling riddles with hints and answers: letter riddles, silent letters, homophones, anagrams and tricky words for kids, classrooms and word lovers.

Categories School, Science & Math Riddles, Riddles Tags alphabet, classroom, letters, riddles for kids, spelling, word riddles
🔬 School & Science

Robot Riddles: 30 Beeping Riddles with Answers

October 11, 2026
Robot Riddles: 30 Beeping Riddles with Answers on Riddlepedia

30 robot riddles with hints and answers about sensors, rovers, drones and coding basics. From easy riddles for kids to tricky logic puzzles for grown-ups.

Categories School, Science & Math Riddles, Riddles Tags coding, riddles for kids, robots, science riddles, STEM, technology
🔬 School & Science

Human Body Riddles: 30 Riddles About Your Amazing Body

October 8, 2026October 3, 2026
Human Body Riddles: 30 Riddles About Your Amazing Body on Riddlepedia

30 human body riddles with hints and answers about organs, bones and the five senses. Every fact is checked, from easy ones for kids to tricky ones for adults.

Categories School, Science & Math Riddles, Riddles Tags anatomy, classroom riddles, human body, riddles for kids, science riddles
🔬 School & Science

Number Riddles: 30 Math Riddles with Answers and Working

October 8, 2026October 2, 2026
Number Riddles: 30 Math Riddles with Answers and Working on Riddlepedia

30 number riddles with hints and answers, each with the math worked out: place value and odd/even for kids, then clever logic puzzles to stump grown-ups.

Categories School, Science & Math Riddles, Riddles Tags classroom riddles, logic puzzles, math riddles, numbers, place value
🔬 School & Science

Nano Wonders: 50 Microscopic Marvel Riddles

October 8, 2026October 22, 2025
Nano Wonders Microscopic Marvel Riddles illustration featuring cells and DNA on Riddlepedia

Welcome, science seekers and puzzle enthusiasts, to a tiny adventure at Riddlepedia! In Nano Wonders: 50 Microscopic Marvel Riddles, we zoom into … Read more

Categories School, Science & Math Riddles, Riddles
🔬 School & Science

Classroom Conundrums: 50 School Supply Riddles

October 8, 2026September 7, 2025
Classroom Conundrums School Supply Riddles illustration featuring desk gear on Riddlepedia

Welcome, students and educators, to a back-to-school brain teaser at Riddlepedia! In Classroom Conundrums: 50 School Supply Riddles, we dive into the … Read more

Categories School, Science & Math Riddles, Riddles
🔬 School & Science

Ethereal Echoes: 50 Soundwave Riddles

October 8, 2026August 29, 2025
Ethereal Echoes Soundwave Riddles illustration featuring audio waves on Riddlepedia

Welcome, sound seekers, to an auditory adventure at Riddlepedia! In Ethereal Echoes: 50 Soundwave Riddles, we explore the invisible waves that shape … Read more

Categories School, Science & Math Riddles, Riddles
🔬 School & Science

Philosophical Puzzles: 50 Thought Riddles

October 8, 2026August 18, 2025
Philosophical

Welcome, deep thinkers, to a mind-expanding new challenge at Riddlepedia! In Philosophical Puzzles: 50 Thought Riddles, we’re diving into the profound questions … Read more

Categories School, Science & Math Riddles, Riddles
🔬 School & Science

Quantum Quests: 50 Physics Puzzles

October 8, 2026July 16, 2025
quantum physics

Welcome, physics enthusiasts, to a mind-bending adventure at Riddlepedia! In Quantum Quests: 50 Physics Puzzles, we’re exploring the laws, scientists, and phenomena … Read more

Categories School, Science & Math Riddles, Riddles
🔬 School & Science

Puzzle of the Mind: 50 Psychology Riddles

October 8, 2026July 13, 2025
psychology

Welcome, mind explorers, to an intriguing new challenge at Riddlepedia! In Puzzle of the Mind: 50 Psychology Riddles, we’re delving into the … Read more

Categories School, Science & Math Riddles, Riddles
🔬 School & Science

101+ Cell Riddles to Challenge Your Mind (with Answers)

October 8, 2026September 12, 2024
cell riddles

Ready to unlock the nucleus of fun with some brain-tickling cell riddles? Dive into our petri dish of over 101 puzzles that … Read more

Categories School, Science & Math Riddles, Riddles
🔬 School & Science

101+ Best Riddles About Eyes to Unveil (with Answers)

October 8, 2026September 12, 2024
riddles about eyes

Dive into the world of mystery with our collection of 101+ best riddles about eyes that’ll have you seeing the fun in … Read more

Categories School, Science & Math Riddles, Riddles
🔬 School & Science

101+ Best Riddles About Infinity Revealed (with Answers)

October 8, 2026September 12, 2024
riddles about infinity

Dive into the endless fun with our collection of 101+ riddles about infinity that will stretch your mind to its limits! Perfect … Read more

Categories School, Science & Math Riddles, Riddles
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