Squigly's Math Games
These brain teasers have been submitted by our visitors from all around the world. These quiz questions are fun for the brain and will puzzle you for some time.
Which number should replace the question mark? 1, 4, 7, 7, 10, 13, ?, 19
Show Answer How many sides does a pentagon have?
Show Answer Which of these numbers are prime numbers: 7, 8, 9, 10, 11, 12, 13, 14?
Show Answer This riddle must be done IN YOUR HEAD and NOT using paper and pen or a calculator. Try it!
Take 1000 and add 40 to it. Now add another 1000 to it. Now add 30. And another 1000. Now add 20. Now add another 1000. Now add 10. What is the total? Show Answer In a drawer you have black socks and white socks. They are not stored away in pairs. Without looking, how many times will you have to reach into the drawer to come out with a matching pair?
Show Answer 10 candles stand burning in a dining room. A strong breeze blows in through an open window and extinguishes 3 of them. Assuming the wind doesn't extinguish any more candles, how many candles do you have left in the end?
Show Answer A boy and his big sister are sitting around the kitchen table chatting.
The boy says, "If I take two years away from my age and gave them to you, you'd be twice my age." The sister added, "Why don't you just give me one more and then I'll be three times you age." How old are the siblings? Show Answer How do you write 23 using only the number 2?
34 using only the number 3? 56 using only the number 5? 100 using only the number 9? Show Answer How do you write the number 5 in Roman numerals?
Show Answer How many sides does a decagon have?
Show Answer What metric unit of length do the letters 'cm' stand for?
Show Answer How many squares are there on a chessboard? (Hint: The answer is not 64.)
Show Answer If a movie starts in an hour and a half, how many minutes do you have to wait to see it?
Show Answer What number is 6 more than 7 x 8?
Show Answer Are Roman numerals given in small letters or capital letters?
Show Answer What is the next number in this sequence: 2, 5, 9, 14,...
Show Answer Add 9 + 1. Then mulitply 9 x 1. Do you get the same answer each time?
Show Answer How many sides does an octagon have?
Show Answer How many sides does a hexagon have?
Show Answer Take a look at all these numbers: 66, 22, 99, 33, 44, 55. What number greater than 1 can be divided into all these numbers without leaving a remainder?
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