How many can you solve? Brain-flexing math riddle quiz
Math is truly fascinating! It’s not just about calculation drills—there are rules and puzzles you can use in everyday life hidden within it.
Here, we’ve gathered math quizzes that nurture children’s thinking skills and number-based riddles that spark inspiration, all designed to make learning fun.
From intuitive, illustration-based questions to logical problems where you fill in the blanks with numbers, we’ll share the full appeal of math.
There might even be some problems that adults surprisingly can’t solve.
Gather the whole family and dive in together with excitement!
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How many can you solve? Brain-flexing math riddle quiz (31–40)
20 column-style arithmetic problems for 3rd-grade elementary school students
In long subtraction, there are 20 problems involving three-digit numbers without borrowing.
Adults can try solving them mentally, while children can copy the equations into their notebooks and use long subtraction to find the answers.
Work through many problems and steadily improve your subtraction speed.
Math problems that elementary schoolers can solve but adults surprisingly can’t
This is a problem from Nada Junior High School’s 2018 entrance exam.
It’s a difficult question, but I’d like to introduce it to parents whose children want to attend a prestigious junior high school.
It’s the kind of problem that many adults surprisingly can’t solve, which really shows how important flashes of insight are.
How about using it as brain training for your child?
A simple problem that even elementary school students can solve in 10 seconds
Even among elementary school students, there are probably many who struggle with area problems, right? It’s hard to understand even when it’s explained.
But there’s a trick to solving area problems: once you memorize it, you can solve them easily.
In this problem, we’re finding the area of a triangle.
To solve it, you need to know the exterior angle theorem—also known as the “slipper rule”—and remember the steps.
Math can seem difficult, but in reality, many problems are easy to solve if you’ve got the rules and procedures in your head.
For this problem, once you get used to it, I think you could solve it in tens of seconds!
Fun Math
It’s a quiz that lets you enjoy bonding with children through riddles.
It also helps them understand that math can be used to read clocks, making it both educational and fun—highly recommended.
Using this riddle as a base, it could also be great to have the adult try solving riddles that the child creates next time.
Fun addition
The video features trains and bullet trains, making it the kind of video that would likely interest elementary school students, especially boys.
Even if at first they’re only interested in the trains, try not to force studying on them—be patient and wait.
They’ll surely come to enjoy learning math.