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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!

How many can you solve? Brain-flexing math riddle quiz (11–20)

10 Math Brain-Training Quizzes

Although the title says “Math Quiz,” there are problems that even elementary school students can solve, so please give it a try.

You’ll face 10 tricky, challenging questions that require flashes of insight and flexible thinking.

The difficulty is quite high, so why not prepare paper and pen and take your time solving them on your own?

You’ll want to tell someone tomorrow!

Addition Study ① Simple math animation for toddlers – educational content for children and early childhood education The first addition ①
You'll want to tell someone tomorrow!

Isn’t elementary school math often more difficult than you’d expect? If you think carefully, you can figure things out, but as adults we tend to read too much into things or make unfounded assumptions.

Let’s try answering this quiz while teaching it to a child and getting back to basics ourselves.

[Logic Quiz] Let’s think about the heights of five people!

[Arithmetic Olympiad] Problems that smart elementary school students are solving! Can you solve them? (Logic Puzzle / Math Quiz) brain plus*
[Logic Quiz] Let's think about the heights of five people!

This is a puzzle where you look for contradictions in the statements of five people answering about their heights, and use them to figure out the correct answer and the order of their heights.

We don’t know who among the five is telling the truth or lying, and on top of that there’s an additional condition: “No two people lie in a row.” From there, you identify contradictory points.

The key to the deduction is the statement that “three people are lying.” First, you test this statement against the condition that no two lies occur consecutively to determine whether it can be true.

After narrowing down the number of liars using that statement, you then compare the content of each person’s statement with the sequence of truths and lies to derive the answer.

[Challenging Math Quiz] What is Lisa’s score?

[Challenging Math Quiz] An elementary schooler can solve it but adults can’t: the math problem “What is Lisa’s score?” (Brain training from a junior high school entrance exam)
[Challenging Math Quiz] What is Lisa's score?

This is a quiz where four people—Taro, Jiro, Hanako, and Lisa—answer a 10-question test.

Using the choices each person selected for each question and the scores of the three people other than Lisa, we deduce Lisa’s score.

It’s a constraint-organization problem where you consider where answers match or differ and how the scores change accordingly.

You start by examining cases where the scores are the same but the answers differ, and, including hypotheses, think through which parts are earning points.

By sequentially deriving which questions can be said to be certainly correct from the conditions, you ultimately apply those conclusions to Lisa’s answers.

Arithmetic Puzzle

[Arithmetic Quiz] Fill the squares with numbers 1–9! Three classic arithmetic puzzles, plus a bonus question [Math Puzzle]
Arithmetic Puzzle

Math puzzles are packed with appeal that goes beyond simple equations.

For example, there are puzzles where you place the numbers 1 through 9 in a square grid so that each row and column forms a valid equation.

There are also quizzes where you wrack your brain to make the totals within designated boxes all match the same number.

They’re simple yet stimulating for the mind, and the sense of accomplishment when you arrive at the answer is exceptional.

Because you can enjoy them like solving mysteries, even children who struggle with math will be naturally drawn in and have their curiosity piqued.

These math puzzles not only cultivate thinking skills but also enhance everyday learning, making them a highly recommended resource brimming with fun!

Arithmetic Quiz

[Genius if you can solve it in elementary school] Get every question right and you’re a math master!
Arithmetic Quiz

If an elementary school student can solve these, they’re a genius! Here are some ideas for a math quiz.

The quiz contains 50 questions that test your math skills.

It’s perfect for people who love math or are good at calculation problems.

Since there are 50 questions, you might want to take breaks or refresh yourself along the way.

There are four difficulty levels in total, with questions tailored to each level.

For example, there’s a question like “What is the answer to 3 + 4?” with four choices.

It’s also a good idea to prepare a notebook and pen before you start.

How many can you solve? Brain-flexing math riddle quiz (21–30)

A math quiz with answers that can vary

Trivia about a math problem with divided answers #math #shortsfeed #03
A math quiz with answers that can vary

What’s the answer to “9×9÷9×9”? The result changes depending on the order of operations.

How do you think it should be calculated correctly? Elementary school kids who are learning this in real time might come up with the answer right away.

But adults might find themselves thinking, “Huh? Where do I start the calculation?” Should you go from left to right, or do the multiplications first? Please think it through and try to find the answer.

Problems that look simple like this can really make you overthink, can’t they?