Can you solve it if you’re flexible-minded? Brain training with a math quiz
“I’m not good at math…” Don’t you hear that a lot? In fact, there are plenty of math quizzes you can enjoy like puzzles and games.
From addition and subtraction to 3D shapes and unit conversions, a full lineup of fun problems will tickle your brain.
You can take on calculations while adventuring through Mario’s world, or fill in numbers like a crossword puzzle…
The world of math is surprisingly fun! Try challenging yourself—together with your child, or even among adults.
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Can people with flexible minds solve these? Brain training with arithmetic quizzes (11–20)
Three arithmetic puzzles
It’s a puzzle quiz where you fill numbers into blanks like a crossword.
The equations themselves are simple enough that even elementary school students could solve them, but the problems all require flashes of insight—only those good at arithmetic or with flexible thinking will be able to find the answers.
Number fill-in-the-blank puzzle
Let’s try creating equations that lead to a predetermined answer! For example, suppose we have an equation like ○ + ○ + ○ = 20.
What numbers should we put in the circles to make the answer 20? You can provide a few choices of numbers to pick from, or leave it open and let people fill in any numbers they like.
In this problem of creating equations, it’s also recommended to adjust the difficulty—for instance, by changing the arithmetic operators in between, increasing the number of circles, or using decimals and fractions.
A problem that seems simple but is difficult
This calculation of 30,000 × 80,000 looks very simple at first glance, but it’s easy to fall into a trap and end up with the wrong answer.
To avoid being tricked, you need to pay attention.
First, start with a slightly easier calculation: 30,000 + 80,000.
After that, present the calculation of 30,000 × 80,000.
If you get tripped up, you might answer “240,000,” but unlike addition, this isn’t a problem you can solve by simply multiplying the numbers as they look.
If you take your time and think about how many zeros are in “man” (ten-thousand), you’ll arrive at the correct answer! Try changing the numbers or the place values and give it a go.
A math quiz that tests 3D spatial recognition skills
It’s a problem where diagrams of a certain solid are shown from various angles—top, left, front, and so on—and you’re asked to find its volume.
It can be quite challenging because it tests your ability to visualize the solid in your head.
I’ve heard that people who are good at these kinds of problems also tend to be good with maps.
Calculation Quiz!! Derive the answer using mental math
These are arithmetic problems involving addition, subtraction, multiplication, and division, but solving them mentally is a bit challenging.
The background is a Mario-style game, making it enjoyable in a gamified way.
You might end up being more interested in how the game unfolds than in the calculations themselves.
In conclusion
Were you able to take on the fun world of math quizzes? Numbers we casually calculate every day can reveal a fresh charm when combined with puzzles and games. The beauty of math quizzes is that they go beyond simple arithmetic problems and help cultivate spatial awareness and logical thinking. Next time, why not try them together with your family or friends?