102 Cool Math Trivia Questions and Answers

Math trivia is a great way to test your knowledge. It can be fun to see how much you remember or help you study for an upcoming test. The best part of math trivia is that it can be fun for all ages. We’ve gathered a combination of interesting trivia and historical facts. There are sure to be some facts you didn’t know before.

Number Trivia

Number trivia is an excellent way to impress your friends with math facts. These won’t require much, if any, solving. Instead, they’ll make you feel like a mathematician just for having them memorized. See how many you and your friends can get right.

1. What is the only number that has the same number of letters as it’s meaning?
   Show answer
   Four
2. What number doesn’t have its own Roman numeral?
   Show answer
   Zero
3. What is the only even prime number?
   Show answer
   Two
4. What is the smallest perfect number?
   Show answer
   Six
5. What is our current numerical system based on?
   Show answer
   Hindu-Arabic numeral system
6. Is Pi a rational or irrational number?
   Show answer
   Irrational, it cannot be written as a fraction
7. Which number is considered a “magic number?”
   Show answer
   Nine
8. What is the most popular lucky number?
   Show answer
   Seven
9. What is the most popular two-digit number?
   Show answer
   13
10. Which is the most prime number of the first ten?
    Show answer
    Seven, it can’t be divided or multiplied by the first ten
11. How much would the paper weigh if you printed out the number Googolplex?
    Show answer
    More than the entire planet!
12. Where is four considered an unlucky number?
    Show answer
    Asia
13. How do you laugh in Thai text lingo?
    Show answer
    555
14. What is the only temperature that is the same in Fahrenheit and Celsius?
    Show answer
    40 Below
15. How many different combinations does a Rubix cube have?
    Show answer
    43 quintillion
16. Which number is the sum of its multiples when you add the single digits together?
    Show answer
    Nine
17. What is the only number spelled with letters in alphabetical order?
    Show answer
    Forty
18. What letter does every odd number have in it?
    Show answer
    An “E”
19. What are the only prime numbers that end in 2 and 5?
    Show answer
    2 and 5, no other prime numbers end in those numbers
20. How many lives are cats said to have?
    Show answer
    Nine
21. How many cupcakes are in a baker’s dozen?
    Show answer
    13 cupcakes
22. How many colors are needed on a map to make sure that no border will share a color?
    Show answer
    Four

Easy Math Trivia

Here are some easy math questions for you to solve. These make for a great warm-up to some of the more challenging questions that will come later. These questions are great for children and adults alike.

1. What is the perimeter of a circle called?
   Show answer
   The circumference
2. What is the square root of 144?
   Show answer
   12
3. Can Pi be written as a fraction?
   Show answer
   No
4. What is 64 divided by 8?
   Show answer
   Eight
5. Which number is greater, a googol, or a quadrillion?
   Show answer
   A googol
6. How many sides does a nonagon have?
   Show answer
   Nine
7. Are all sides equal in an Isosceles triangle?
   Show answer
   No, only two are equal
8. What is five squared?
   Show answer
   25
9. What is an angle called if it’s greater than 90 degrees?
   Show answer
   Obtuse
10. What is five to the power of zero?
    Show answer
    One
11. What is the top number of a fraction called?
    Show answer
    Numerator
12. What is a shape with eight sides called?
    Show answer
    An octagon
13. An improper fraction is always greater than what number?
    Show answer
    One
14. What does the Roman numeral “X” equal?
    Show answer
    Ten
15. Which prime number comes after 3?
    Show answer
    Five

Hard Math Trivia

Hopefully, you practiced the easy math trivia in the last section because now it’s about to get a little more challenging. Here are some difficult math questions to test your brain. Plus, some trivia facts to see how much you know.

1. Does a convex shape curve inward or outward?
   Show answer
   Outward
2. Is negative four a natural number?
   Show answer
   No
3. What flat image can also be displayed in 3D?
   Show answer
   A hologram
4. What number does a giga stand for?
   Show answer
   A billion
5. How many equal sides do Icosahedrons have?
   Show answer
   Twenty
6. What is bigger, 100, or 10 squared?
   Show answer
   They’re the same!
7. What is the prefix meaning 10?
   Show answer
   Deka
8. A composite number has what?
   Show answer
   One factor
9. How many seconds are in one day?
   Show answer
   86,400 seconds
10. How many sides does a dodecahedron have?
    Show answer
    12 sides
11. When was the equal sign invented?
    Show answer
    1557 by Robert Recorde
12. What number is twice the sum of its digits?
    Show answer
    18
13. When was the number googol first used?
    Show answer
    In 1938 by Milton Sirotta, who was only nine years old
14. What is the billionth digit of Pi?
    Show answer
    Nine
15. What is the mathematical name for a pound sign (#)?
    Show answer
    Octothorpe

Math Trivia for Kids

These questions are great practice for kids to review some of the things they have been learning in school. Math trivia for kids is also an excellent review if they are out of class right now or if you just want to have some fun learning. See how many you and your family can get correct!

1. What are whole numbers?
   Show answer
   Any number without a decimal point, for example – 1,2,3,4, etc.
2. What does a century represent?
   Show answer
   100 years
3. What is 16 minus 8?
   Show answer
   Eight
4. How many sides does a hexagon have?
   Show answer
   Six
5. What is 91 divided by 7?
   Show answer
   13
6. If Mark has 56 legos and Angelo has 24 legos, how many legos do they have together?
   Show answer
   80 legos
7. If Lacey has 84 pink flowers, and Andrew has 95 flowers – how many flowers do they have in total?
   Show answer
   179
8. What is 24 plus 11?
   Show answer
   35
9. What are integers? 
   Show answer
   They are like whole numbers, but they can include negative numbers
10. What is three squared?
    Show answer
    Nine
11. What is the basic metric unit of mass?
    Show answer
    A kilogram
12. What is the least common multiple of 6, 8, and 12?
    Show answer
    24
13. If Josh gives you 17 cookies and your sister eats 3, how many do you have left?
    Show answer
    14 cookies
14. What is the square root of 81?
    Show answer
    Nine
15. If there are 25 students in your class, but three students are absent, how many students are in the class that day?
    Show answer
    22 students
16. What is 12 times 5?
    Show answer
    60
17. What is the largest composite number less than 40?
    Show answer
    39
18. If you divide 48 by 6, what do you get?
    Show answer
    Eight
19. What is 4 times 4?
    Show answer
    16
20. How many milliliters are in one liter?
    Show answer
    1,000 milliliters
21. If 6 students share 36 cookies, how many cookies does each student get?
    Show answer
    6 cookies
22. What is 100 plus 100?
    Show answer
    200
23. If your cherry has four seeds and you accidentally eat two, how many are left?
    Show answer
    2 seeds
24. What is 13 times 4?
    Show answer
    52
25. If there are 8 students in Ms. Collin’s class and 11 students in Ms. Andrew’s class, how many students are there altogether?
    Show answer
    19 students
26. What is 68 divided by 4?
    Show answer
    17
27. If there are 9 chocolate bars and Chris eats 3, how many are left?
    Show answer
    Six chocolate bars
28. What is 4 times 2?
    Show answer
    Eight
29. If there are 64 popsicles to split among 16 students, how many popsicles would each student get?
    Show answer
    4 popsicles
30. What is the nearest whole number to 206.86?
    Show answer
    207
31. If there are 17 postcards in a shop and you buy 6 – how many postcards are left?
    Show answer
    11 postcards
32. What is 144 divided by 12?
    Show answer
    12
33. What is the closest whole number to 1,569.3?
    Show answer
    1,569
34. What are the even numbers in this sequence – 2, 5, 7, 9, 10?
    Show answer
    Two and 10
35. Jamie reads 14 pages in her 38-page book. How many pages are left?
    Show answer
    24 pages

Math History

There is no need to do any solving for these questions. Here is some fun math history trivia you may not have learned before. So much time is spent learning how to solve problems; you may never have learned some of these fun facts. Memorize a few of them to share with friends, or see how many you already know.

1. Hundred was derived from what Norse number?
   Show answer
   Hundrath, actually meaning 120
2. What is the Pythagoras’ Constant, discovered by the first mathematician around 500 BC?
   Show answer
   The square root of two
3. Which Indian Astronomer discovered zero around 600 A.D?
   Show answer
   Brahmagupta
4. What number sequence often appears in nature and was discovered in 1202 AD?
   Show answer
   Fibonacci Sequence
5. What is the fastest someone has ever counted to one billion?
   Show answer
   89 days, Jeremy Harper streamed his attempt in 2007
6. What civilization first used dot patterns to represent numbers?
   Show answer
   The Chinese
7. Who invented paint by number?
   Show answer
   Leonardo Da Vinci
8. Who is the fastest human calculator?
   Show answer
   Scott Flansburg won the Guinness World Record in 2001
9. Where was the oldest mathematical artifact found?
   Show answer
   In the Lebombo Mountains, it’s the Lebombo bone, which is over 35,000 years old
10. How was Eratosthenes able to determine the Earth’s diameter?
    Show answer
    A rod and the rule of three
11. How old was Isaac Newton when he developed integral calculus?
    Show answer
    23 years old
12. What German woman formulated theories to understand relativity?
    Show answer
    Emmy Noether
13. What mathematical theory explains the randomness of nature?
    Show answer
    The butterfly effect, discovered by meteorologist Edward Lorenz
14. Who developed the cartesian axes?
    Show answer
    René Descartes
15. Where was the first recorded instance of math games played?
    Show answer
    Africa – south of the Sahara

Understanding math helps to improve reasoning and critical thinking skills. Hopefully, these math trivia questions taught you something new!

Susan Box Mann

Susan majored in English with a double minor in Humanities and Business at Arizona State University and earned a Master’s degree in Educational Administration from Liberty University. She taught grades four through twelve in both public and private schools. Subjects included English, U.S. and world history and geography, math, earth and physical science, Bible, information technologies, and creative writing.

Susan has been freelance writing for over ten years, during which time she has written and edited books, newspaper articles, biographies, book reviews, guidelines, neighborhood descriptions for realtors, Power Point presentations, resumes, and numerous other projects.

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