Ready to solve some math mysteries? In this section, we've got a collection of math riddles that make numbers and equations both fun and challenging. These puzzles will get kids thinking creatively while, in some cases, also practicing their math skills.
1. Sarah goes to the supermarket and buys 10 tomatoes. Unfortunately, on the way back home, all but nine get ruined. How many tomatoes are left in a good condition?
Answer: Nine.
2. Mrs. Jones has four daughters. Each daughter has a brother. How many kids are there in total?
Answer: Five, there are four daughters and one son. Each daughter has the same brother.
3. Mrs. Brown has five daughters. Each of these daughters has a brother. How many children does Mrs. Brown have?
Answer: Six children. Each daughter has the same brother. There are five daughters and one son.
4. If there are seven oranges and you take three away, how many oranges do you have?
Answer: Three, since that's how many you took.
5. You have a basket that's 1 foot in diameter and 1 foot deep. How many apples can you fit in the empty basket?
Answer: None, because once you place anything inside, the basket isn't empty anymore.
6. When Rebecca was eight years old, her little brother, Bob, was half her age. If Rebecca is 20 years old today, how old is Bob?
Answer: 16.
7. I am an odd number. Take away one letter, and I become even. What number am I?
Answer: Seven. (Take away the "s," and you're left with "even.")
8. If two's company and three's a crowd, what are four and five?
Answer: Nine.
9. I am a number. When you multiply me by any other number, the answer is always the same. What number am I?
Answer: Zero.
10. How many months have 28 days?
Answer: All of them. (Every month has at least 28 days; most have more.)
We created this article in conjunction with AI technology, then made sure it was fact-checked and edited by a HowStuffWorks editor.