There are 100 houses in the neighborhood where Alex and Dev live. If it takes 52 days for the flowers to fill the garden, how many days would it take for them to fill half the garden?Īnswer: 51 19. Every day, the number of flowers doubles. You planted sunflower seeds in your garden. Without looking, what is the smallest number of socks you should take out to guarantee a matching pair?Īnswer: 3 18. Your sock drawer contains 18 white socks and 18 blue socks. How much did she leave altogether?Īnswer: $12,000 17. She left a sixth to her brother, and the remainder, $1,000, to the animal shelter. Grandmother died and left half her money to her granddaughter and half of that amount to her grandson. Solve this in your head (no writing it down!). What numbers make these two equations true?Īnswer: A = 1, B = 2, C = 3, and D = 6 15. (Only ONE of the coins is not a nickel!) 14. What are the two coins?Īnswer: A quarter and a nickel. How much was each item?Īnswer: The shoes cost $125, the shirt $25. Jake bought a pair of shoes and a shirt, which cost a total of $150. 16 ounces = 1 pound, no matter what material is being weighed. Which weighs more: 16 ounces of feathers or a pound of solid gold?Īnswer: They weigh the same.

What single digit appears most frequently between and including the numbers 1 and 1,000?Īnswer: 1 11. Lee have?Īnswer: 5 (All of the daughters have the same brother.) 10. If 3 cats can catch 3 bunnies in 3 minutes, how long will it take 100 cats to catch 100 bunnies?Īnswer: 3 minutes 9. Use the numbers 2, 3, 4, and 5 and the symbols + and = to make a true math equation.Īnswer: 2 + 5 = 3 + 4 8. When the first boy is 100, how old will his brother be?Īnswer: 99 7. When does 9 + 5 = 2?Īnswer: When you’re telling time. If a hen and a half lays an egg and a half in a day and a half, how many eggs will half a dozen hens lay in half a dozen days?Īnswer: 2 dozen, or 24 eggs 4. How old is each of us now?Īnswer: The older brother is 17, and the younger brother is 7. In three years, I will be twice as old as my brother.

Two years ago, I was three times as old as my brother was. Using only addition, add eight 8s to get the number 1,000.Īnswer: 888 + 88 + 8 + 8 + 8 = 1,000 2. Here are some of our favorite math brain teasers for kids, which are perfect for bell ringers, extra credit, or to fill the last few minutes at the end of class. There’s no better way to encourage outside-the-box thinking than math brain teasers for kids! They’re usually much more about using logic than being a math whiz, so everyone will need to think creatively.

1 2=21 brain out