Primal Math is an award winning team dedicated to helping young learners develop their natural abilities to do math. We strive to develop creativity and build the confidence of the critical thinkers of the 21st century.
How long did it take you to solve this?
Share it with your kids to see who can solve it fastest.
Here are the answers:
Here's how it works:
3 x 6 = 18
4 x 8 = 32
5 x 10 = 50
6 x 12 = 72
7 x 14 = 98
8 x 16 = 128
9 x 18 = 162
10 x 20 = 200
Do you see the pattern?
If you have three coins in your pocket that amount to 65 cents, and one is not a nickel, what coins do you have?
Answer: A half dollar, a dime and a nickel. (It was a trick question. While one may not be a nickel, the puzzle doesn't say, "There are no nickels.")
Before Sir Edmund Hillary scaled Mt. Everest, which mountain was the tallest in the world?
Answer: Mt. Everest
Father and son
A father and his son go on vacation to celebrate their birthdays, which occur on the same weekend. This year, their ages will use the same numbers, but in reverse. Added together, their ages equal 66. How old are they?
Answer: There are three possibilities. They could be 42 and 24, 51 and 15 or 60 and 06.