Who said maths can’t be fun? Math tricky teasers can be fun to learn and also encourages learning!
1. What number do you get when you multiply all of the numbers on a telephone keypad?
Answer: 0 (Since one of the numbers is 0, the product of all numbers will be 0).
2. A number is increased by 1 and then multiplied by 2. The result is 10. What is the original number?
Answer: Work backwards: divide 10 by 2 to get 5, then subtract 1. So, the original number is 4.
3. Using only addition, how do you add eight 8s and get 1,000?
Answer: 888 + 88 + 8 + 8 + 8 = 1,000.
4. A grandfather, two fathers, and two sons went to the movie theatre together, and everyone bought one movie ticket each. How many tickets did they buy in total?
Answer: 3 tickets (since the grandfather is also a father and the father is also a son).
5. If five cats can catch five mice in five minutes, how long will it take one cat to catch one mouse?
Answer: Five minutes.
6. What two numbers give the same result, whether added or multiplied?
Answer: The numbers are 2 and 2. Because 2 + 2 = 4 and 2 × 2 = 4.
7. A snail climbs up 3 feet during the day and slips back 2 feet at night. How long will the snail take to get out of a 12-foot well?
Answer: 10 days.
8. The answer will always be the same if you multiply this number by any other number. What number is it?
Answer: Zero.
9. What is the smallest whole number equal to seven times the sum of its digits?
Answer: 21 (because 2 + 1 = 3 and 7 × 3 = 21).
10. If you divide 30 by half and add 10, what do you get?
Answer: 70 (because 30 divided by half is 60, and 60 + 10 = 70).
11. In a family, there are 2 brothers and 1 sister. How many children are there in total?
Answer: There are 2 brothers + 1 sister = 3 children in total.
12. If there are three apples and you take away two, how many apples do you have?
Answer: Two apples (the ones you took away).
13. If you have a pizza cut into 4 equal pieces and you eat 1 piece, how much of the pizza is left?
Answer: The pizza is divided into 4 equal parts, so each part is 1/4 of the pizza. If you eat 1 piece, you eat 1/4, and 3/4 of the pizza is left. The solution is found by understanding that 1 – 1/4 = 3/4.
14. What is the largest number you can write using only two digits – just the number 8 and one other digit of your choice?
Answer: 88 (Using the digit 8 twice).
15: There are 45 apples in your basket. You take three apples out of the basket. How many apples are left in the basket?
Answer: 42 apples.
These math brain teasers have been sourced from splashlearn
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