When I was in middle school, math riddles always felt like real challenges.
I still remember one moment when everyone solved a simple riddle except me I was stuck on just one number. For a second, I thought maybe riddles weren’t for me.
But I didn’t give up. I broke the riddle down, followed the clues, and when I finally solved it, my confidence shot up.
That day I decided math riddles would be my little superpower.
So if you’re searching for Math Riddles for Middle School with Answers, I know exactly how it feels.
Riddles may seem tricky, but once the clue clicks, they become fun and rewarding.
Let’s jump in!
Easy Math Riddles to Warm Up Middle Schoolers
- Riddle: I am an odd number. Remove one letter, and I become even.
Answer: Seven - Riddle: What comes next? 2, 4, 6, 8…
Answer: 10 - Riddle: I add five to nine and get two. How is that possible?
Answer: On a clock - Riddle: What two numbers add to 10 and multiply to 21?
Answer: 3 and 7 - Riddle: What has many keys but can’t open a lock?
Answer: A keyboard - Riddle: Double me and add 10. The result is 30.
Answer: 10 - Riddle: What shape has no sides and no corners?
Answer: A circle - Riddle: What has a face and hands but no arms or legs?
Answer: A clock - Riddle: I am less than 20 and more than 10. My digits add to 7.
Answer: 16 - Riddle: Which month has 28 days?
Answer: All of them - Riddle: What increases but never decreases?
Answer: Age - Riddle: What number is always found in math class?
Answer: Pi - Riddle: If five cats catch five mice in five minutes, how long for one cat?
Answer: Five minutes - Riddle: What is full of holes but still holds water?
Answer: A sponge - Riddle: What goes up but never comes down?
Answer: Age
Medium Level Math Riddles for Thinking Practice
- Riddle: I start at 3, double to 6, double to 12, then add 3.
Answer: 15 - Riddle: A rectangle is 20 cm long and has a perimeter of 60. What is the width?
Answer: 10 cm - Riddle: What three numbers give the same result when added or multiplied?
Answer: 1, 2, 3 - Riddle: What is half of 2 + 2?
Answer: 3 - Riddle: If you divide me by 3, you get 6.
Answer: 18 - Riddle: What two even numbers add to 50 and differ by 6?
Answer: 22 and 28 - Riddle: A triangle has two sides of 7. What could the third side NOT be?
Answer: 20 - Riddle: What four sided shape always has equal opposite sides?
Answer: Parallelogram - Riddle: I am a number that stays the same when multiplied by myself.
Answer: 1 - Riddle: If 8 × a = 56, what is a?
Answer: 7 - Riddle: A number minus 9 equals 3.
Answer: 12 - Riddle: I am between 30 and 40. My digits multiply to 12.
Answer: 36 - Riddle: What is the next prime after 13?
Answer: 17 - Riddle: Fifty percent of 60 is the same as 30% of what?
Answer: 100 - Riddle: What number becomes smaller when you add to it?
Answer: A negative number
Logic Based Math Riddles for Middle School
- Riddle: Two fathers and two sons equal three people.
Answer: Grandfather, father, son - Riddle: Which weighs more 1 kg of iron or 1 kg of cotton?
Answer: Same weight - Riddle: If you buy a $10 shirt with a $20 bill and get $10 back, how much did it cost?
Answer: $10 - Riddle: Tom is 12, his sister is half his age. When he is 30, how old is she?
Answer: 24 - Riddle: What number becomes odd when you remove one letter?
Answer: Seven - Riddle: A farmer has 17 sheep. All but 9 die.
Answer: 9 - Riddle: You have 3 apples and take away 2. How many do you have?
Answer: 2 - Riddle: A pizza is cut into 8 slices and you eat half.
Answer: 4 slices remain - Riddle: A man and his dog cross a river without getting wet.
Answer: The river is frozen - Riddle: Which three numbers have the same sum and product?
Answer: 1, 2, 3 - Riddle: A man has 4 daughters and each has a brother.
Answer: 5 children - Riddle: Add one line to make 5 + 5 + 5 = 550 correct.
Answer: Turn the first + into a 4 → 545 + 5 = 550 - Riddle: How many times can you subtract 5 from 25?
Answer: Once - Riddle: What has one eye but cannot see?
Answer: A needle - Riddle: What travels through towns but never moves?
Answer: A road
Geometry Riddles for Middle School Students
- Riddle: I have four equal sides but no right angles.
Answer: Rhombus - Riddle: What shape has five sides?
Answer: Pentagon - Riddle: A triangle has sides 3, 4, 5.
Answer: Right triangle - Riddle: What shape has only one side?
Answer: Circle - Riddle: What shape has 8 sides?
Answer: Octagon - Riddle: Which triangle has all equal sides?
Answer: Equilateral - Riddle: A shape with opposite sides parallel is called what?
Answer: Parallelogram - Riddle: What do you call a line that touches a circle once?
Answer: Tangent - Riddle: A shape with infinite sides resembles what?
Answer: A circle - Riddle: A 3D shape with 6 equal square faces.
Answer: Cube - Riddle: Which angle measures less than 90 degrees?
Answer: Acute - Riddle: Which angle measures more than 90 but less than 180?
Answer: Obtuse - Riddle: What do you call half a circle?
Answer: Semicircle - Riddle: What shape looks the same when rotated?
Answer: Circle - Riddle: What line divides a shape into two mirror halves?
Answer: Line of symmetry
Algebra Riddles for Middle School Learners
- Riddle: x + 7 = 12
Answer: 5 - Riddle: 3x = 21
Answer: 7 - Riddle: x/2 = 9
Answer: 18 - Riddle: x + x + x = 15
Answer: 5 - Riddle: 4 more than a number is 10
Answer: 6 - Riddle: Twice a number is 14
Answer: 7 - Riddle: x − 8 = 4
Answer: 12 - Riddle: 5x = 45
Answer: 9 - Riddle: x + 3 = 3
Answer: 0 - Riddle: 6x = 36
Answer: 6 - Riddle: x/4 = 5
Answer: 20 - Riddle: 10 less than x is 2
Answer: 12 - Riddle: 8 + x = 17
Answer: 9 - Riddle: x + 1 = 1
Answer: 0 - Riddle: 2x + 4 = 10
Answer: 3
Word Problem Math Riddles
- Riddle: Sara had 10 candies and gave away 3.
Answer: 7 - Riddle: A pen costs $2. How many can you buy for $10?
Answer: 5 - Riddle: A box holds 6 apples. How many boxes for 30 apples?
Answer: 5 - Riddle: A bus has 40 seats. 25 are filled.
Answer: 15 empty - Riddle: You read 8 pages a day of a 40 page book.
Answer: 5 days - Riddle: A train moves 60 miles per hour for 2 hours.
Answer: 120 miles - Riddle: A school has 300 students, 1/3 are boys.
Answer: 100 boys - Riddle: A shop sold 50 candies and has 20 left.
Answer: 70 originally - Riddle: You need 3 pencils per student for 10 students.
Answer: 30 pencils - Riddle: A lunch costs $6. How much for 3 lunches?
Answer: $18 - Riddle: A plant grows 2 cm a day for 10 days.
Answer: 20 cm - Riddle: A car travels 100 km on 5 liters.
Answer: 200 km on 10 liters - Riddle: A bakery made 120 cupcakes and sold 90.
Answer: 30 left - Riddle: You save $5 a day for 10 days.
Answer: $50 - Riddle: A pizza has 8 slices and you eat 3.
Answer: 3/8
Challenging Math Riddles for Middle School
- Riddle: I’m a 2 digit number. My digits multiply to 12 and add to 7.
Answer: 34 - Riddle: A number divisible by both 3 and 5: the smallest one.
Answer: 15 - Riddle: What primes are between 20 and 30?
Answer: 23, 29 - Riddle: A 3 digit palindrome divisible by 11.
Answer: 121, 242, 363, etc. - Riddle: What number doubles when flipped upside down?
Answer: 6 (turns into 9) - Riddle: A number greater than 40, less than 50, divisible by 7.
Answer: 42 - Riddle: What is the square of the smallest prime?
Answer: 4 - Riddle: What comes next? 1, 4, 9, 16…
Answer: 25 - Riddle: What is 25% of 200?
Answer: 50 - Riddle: A number equals the sum of its digits times 6.
Answer: 54 - Riddle: What is the next even prime after 2?
Answer: None - Riddle: A number minus itself equals?
Answer: 0 - Riddle: Which number multiplied by 0 stays the same?
Answer: 0 - Riddle: I am a square number between 30 and 40.
Answer: 36 - Riddle: A number that is both a square and a cube.
Answer: 64
Fun & Creative Math Riddles
- Riddle: What do you call friends who love math?
Answer: Alge bros - Riddle: Why was the equal sign humble?
Answer: It wasn’t less or greater - Riddle: Why was 6 scared of 7?
Answer: Because 7 ate 9 - Riddle: What tool does a math teacher use in the garden?
Answer: A pro tractor - Riddle: What did zero say to eight?
Answer: Nice belt - Riddle: Why is math sad?
Answer: Too many problems - Riddle: Why was the obtuse angle upset?
Answer: It was never right - Riddle: Why was the math book unhappy?
Answer: Too many problems - Riddle: What shape stays cool?
Answer: A rhombus - Riddle: Why did the triangle refuse to make friends?
Answer: It had too many angles - Riddle: Why didn’t 4 eat dinner?
Answer: It already 8 - Riddle: Why did the fraction get a job?
Answer: It wanted to become whole - Riddle: Why did the circle break up?
Answer: It needed space - Riddle: Why don’t parallel lines meet?
Answer: They never cross paths - Riddle: Why did the student bring a ladder to math class?
Answer: To reach higher numbers
Conclusion
These Math riddles for middle school with answers help students build problem solving skills while having fun.
They’re perfect for warm ups, homework breaks, and classroom competitions, making math more enjoyable and interactive.
The creator behind Riddlezilla.com specializes in crafting fun, smart, and engaging riddles for readers who love a good brain challenge. Dedicated to delivering fresh and creative puzzle content every day.
