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France
France
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Rank
Level
3
Axel Brisse
Île-de-France
95
5
RandomID
Occitanie
90
10
coy95 coy95
Île-de-France
82
13
YOANN CHOYER
Occitanie
77
18
Bruno B
Île-de-France
70
21
Perrin Tom
Hauts-de-France
65
22
Francesco Rambaldi
Auvergne-Rhône-Alpes
64
25
Michel Zou
Auvergne-Rhône-Alpes
63
27
Anthony PERUZZO
Île-de-France
62
28
Alexia
Île-de-France
61
30
Mert G.
Île-de-France
59
31
Arthur Lagier
Pays-de-la-Loire
59
35
User
Bretagne
56
38
Martin Tovmassian
Auvergne-Rhône-Alpes
54
39
Black Cat
Grand-Est
54
40
Vincenzo Russo
Île-de-France
54
41
Julien Fraboulet
Île-de-France
54
46
Althar
Île-de-France
52
49
User
Bretagne
51
51
Themask
Hauts-de-France
51
53
Matthew Iqbal
Île-de-France
50
54
David O
Île-de-France
50
57
Black Widow
Île-de-France
48
59
dorian rurange
Auvergne-Rhône-Alpes
48
71
Thibault Payerne
Île-de-France
46
73
Maria Yvoni Ouziel
Île-de-France
45
80
Marian Rotariu
Occitanie
44
90
User
Grand-Est
42
92
User
Occitanie
42
93
Carol Mathers
Nouvelle-Aquitaine
42
98
User
Occitanie
42
99
Maxence1402a
Île-de-France
42
111
Jason Kong
Île-de-France
41
120
Nietzsche
Hauts-de-France
40
121
mathis riera
Île-de-France
40
123
etienne E
Grand-Est
39
127
User
Occitanie
38
130
Johanna Bunthae
Île-de-France
38
134
Vincent Ragel
Île-de-France
38
138
User
Grand-Est
37
145
User
Grand-Est
36
155
User
Bretagne
34
160
User
Occitanie
34
163
Louis Romero
Île-de-France
33
168
Walid EL AYED
Bretagne
33
169
User
Grand-Est
32
170
MyMaths Prof
Île-de-France
32
173
User
Occitanie
32
176
Neil Lokhun
Île-de-France
31
180
User
Occitanie
31
185
User
Occitanie
30
191
Muppet32
Île-de-France
30
209
User
Occitanie
29
210
Boubacar
Île-de-France
29
214
User
Bretagne
28
215
User
Grand-Est
28
219
Nuage Magique
Grand-Est
28
223
User
Bretagne
28
225
Ti Kay
Île-de-France
27
226
Quignodon Thibault
Île-de-France
27
227
Marc R
Île-de-France
27
228
sara yaz
Île-de-France
27
236
User
Occitanie
27
242
LeSknx
Grand-Est
26
245
User
Grand-Est
26
247
azerty azerty
Auvergne-Rhône-Alpes
26
254
User
Occitanie
26
256
User
Occitanie
26
259
User
Grand-Est
25
261
Pierre Olive
Île-de-France
25
271
Anthony Peruzzo
Île-de-France
24
272
Pascal
Occitanie
24
275
User
Occitanie
24
281
Alexandre Goncalves
Île-de-France
24
286
DanZ
Occitanie
23
287
ledrypotato
Nouvelle-Aquitaine
23
295
quentin courtheoux
Île-de-France
23
297
pierre ghesquiere
Occitanie
23
298
User
Normandie
23
300
thierry kauffmann
Auvergne-Rhône-Alpes
23
303
Jennifer Rockwell
Île-de-France
23
306
User
Occitanie
23
308
User
Region
23
309
compte gmail
Île-de-France
22
310
samy Bouzidi
Île-de-France
22
314
User
Occitanie
22
319
Hugo Locussol
Île-de-France
22
328
Lucas
Île-de-France
21
345
Noufissa BENABDELJALIL
Île-de-France
21
348
User
Occitanie
21
350
User
Occitanie
21
353
Quarnite
Île-de-France
21
354
User
Region
21
355
User
Region
21
359
Amaury De BATZ
Île-de-France
20
361
Maresquier Aline
Île-de-France
20
368
User
Occitanie
20
374
Jackma
Île-de-France
20
375
User
Occitanie
20
377
User
Occitanie
20
379
User
Occitanie
20
380
User
Region
20
381
User
Region
20
394
User
Grand-Est
19
397
M. Krypton
Île-de-France
19
399
User
Occitanie
19
403
User
Grand-Est
18
411
User
Region
18
412
User
Region
18
414
Harsha
Île-de-France
17
415
Catharina MASCHKA
Île-de-France
17
424
User
Occitanie
17
430
benji
Île-de-France
16
433
Lucie
Île-de-France
16
434
User
Occitanie
16
435
Gonzague Denise
Normandie
16
436
Mimitiger
Île-de-France
16
442
User
Grand-Est
16
444
User
Occitanie
16
447
Fait Belacqua
Île-de-France
15
448
User
Occitanie
15
449
User
Normandie
15
462
User
Region
15
468
User
Occitanie
14
471
User
Bretagne
14
483
Layht Mabba
Île-de-France
13
486
Yan Bouglie
Auvergne-Rhône-Alpes
13
488
User
Occitanie
13
495
User
Occitanie
13
496
User
Grand-Est
13
501
User
Occitanie
13
507
Fabio Valle
Île-de-France
13
532
User
Grand-Est
11
533
User
Grand-Est
11
534
User
Grand-Est
11
538
User
Grand-Est
11
540
User
Occitanie
11
542
User
Occitanie
11
545
Amaury Dupont
Île-de-France
11
554
Sylvain Thi
Auvergne-Rhône-Alpes
11
559
User
Bretagne
10
563
User
Grand-Est
10
568
Clément Bonnefoy
Bourgogne-Franche-Comté
10
570
User
Grand-Est
10
574
User
Occitanie
10
587
User
Region
10
588
User
Region
10
590
Florian chavernac
Occitanie
9
596
Alex Panda
Auvergne-Rhône-Alpes
9
598
User
Occitanie
9
599
User
Grand-Est
9
602
Shadow Stonk
Île-de-France
9
613
User
Bretagne
9
614
User
Occitanie
9
616
User
Region
9
619
User
Grand-Est
8
622
cheima hammou
Île-de-France
8
623
Alexandre Mendes
Île-de-France
8
626
User
Bretagne
8
632
Jawad favori
Île-de-France
8
637
mimitiger
Île-de-France
8
639
théophane cengiz
Île-de-France
8
642
Yohann Marmonier
Auvergne-Rhône-Alpes
8
643
User
Grand-Est
8
646
User
Region
8
650
Ricky bitch.
Normandie
7
652
Gaïan Germani
Île-de-France
7
663
User
Grand-Est
7
668
User
Occitanie
7
669
User
Grand-Est
7
673
User
Occitanie
7
674
User
Bretagne
7
675
User
Occitanie
7
676
cristina libralato
Île-de-France
7
679
User
Grand-Est
7
682
User
Occitanie
7
683
Guillaume
Region
7
684
User
Region
7
685
User
Region
7
686
User
Region
7
687
Thomas Venouil
Region
7
689
User
Occitanie
6
691
User
Occitanie
6
694
Arnaud ca
Bretagne
6
698
laurentgh
Île-de-France
6
710
User
Grand-Est
6
715
User
Grand-Est
6
720
User
Region
6
721
User
Region
6
723
ALIPRE
Île-de-France
5
725
Carla Thollet
Occitanie
5
729
Aristide Wang
Île-de-France
5
733
Clar78
Île-de-France
5
753
User
Grand-Est
5
765
User
Occitanie
5
770
User
Grand-Est
5
771
RawSugar
Region
5
772
User
Region
5
773
User
Region
5
774
User
Region
5
775
User
Region
5
778
Liline
Île-de-France
4
780
User
Grand-Est
4
782
jonathan b
Île-de-France
4
787
User
Occitanie
4
795
User
Bretagne
4
820
User
Region
4
821
Naomi
Region
4
822
Olivia Besancon
Region
4
823
User
Region
4
824
User
Region
4
827
89898 subscribers with no videos challenge
Bretagne
3
841
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Grand-Est
3
843
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Île-de-France
3
867
User
Normandie
3
870
Louis Etienne
Île-de-France
3
871
Alberto Bravo Gil-Antunano
Île-de-France
3
887
Rose Huguet
Île-de-France
3
888
User
Occitanie
3
895
User
Region
3
896
User
Region
3
897
User
Region
3
898
User
Region
3
899
User
Region
3
911
azgar fr
Bretagne
2
931
User
Occitanie
2
948
User
Grand-Est
2
963
User
Normandie
2
968
Camille Geourjon
Auvergne-Rhône-Alpes
2
975
User
Occitanie
2
977
User
Occitanie
2
979
Софья Кондратьева
Hauts-de-France
2
985
User
Bretagne
2
987
User
Bretagne
2
994
User
Occitanie
2
998
User
Region
2
999
User
Region
2
1000
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Region
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A Web App for Mathematics Training

Do you want to be fast at mental math? Many people do, but the options for doing the necessary exercises are simply too cumbersome for all but the most dedicated of trainees. In physical fitness, many people are interested in training their bodies but allocating the time, energy, and money for it is a significant obstacle. Likewise, lugging around books and whatnot for math practice is a threshold that just doesn't meet the standards of modern life.

Training yourself to be skilled at mental math needs to be quick and convenient. mathtrainer.org is a web app that works in your browser rather than a program you have to download and install on your computer or phone. This allows users to try and use the app without having to install new software. As a web app, updates are also much simpler. There is no need to download endless updates—the website will always be the most current version.

You can access a web app from any device connected to the internet and equipped with a web browser, including smartphones, tablets, and desktop computers. Moreover, you are free to use whichever browser you prefer, including Google Chrome, Safari, Firefox, and others. Google Chrome is the recommended browser for the best maths training since it tends to lead the pack in supporting the latest web technologies.

Math Trainer is designed to offer a similar experience regardless of what you’re using to access it, whether it be Android, iOS, Windows, or another operating system. Though an on-screen touch keyboard will appear on mobile devices, you may prefer to use the app on a desktop with a keyboard. Hopefully the advantages of a web app for convenient mathematics training are apparent.

Another part of making the app easy to use is eliminating the need for signing up and logging in. Users can get started with their math training as soon as they click the start button on this page. After progressing to higher levels in the app, your progress is automatically saved so long as your return to the site through the same browser.


What's a Mental Math Tip?

A mental math tip is a sequence of steps that can be taken to solve a math problem in your head. Click the arrow below to see an example for the following problem:

÷
984
3
328

A tip like this one is available for every problem in Math Trainer, so there's always help if you get stuck. With enough practice, you'll be able to predict what the tips will say—you'll have learned mental math!


Get Better at Mental Math

The ability to quickly perform mental calculations offers advantages in certain circumstances. But even without applications, getting better at mental math is a great way to stimulate one’s mind. It develops better number sense and intuition for quantifying the world around us. Practicing mental calculation will strengthen your foundation for learning more advanced maths topics.

Nonetheless, the tangible benefits of improving at mental math are many. It is certainly expected that educated people are able to do simple arithmetic without having to pull out a calculator. An inability to do so may reflect poorly on you, while being well-practiced in mental calculation will leave your contemporaries impressed. In many scientific and technical circles, mental math ability is even more highly regarded.

For students, mental calculation speed will often have a direct impact on math and science test scores. At all grade levels, it is not sufficient to know how to solve math problems when tests have a time limit on them. The highest-scoring test takers are able to answer questions both correctly and efficiently. Improving mental math skills will only benefit a student’s academic career.

Calculating the solution to an arithmetic problem in your head is often faster than pulling out a device to tell you the answer. For example, figuring out how much to tip a server at a restaurant is a straightforward arithmetic problem that many people are unable to perform without a calculator. By training your brain to solve basic math problems, you can save time in situations like these.

Mental math can also be relied upon when calculation devices are not available. Even with the conveniences of modern life, we occasionally find ourselves without access to our cell phones or other capable devices. A mind skilled in mental math is always available to you.

Finally, getting better at mental math enables a quick estimate and sanity check on results obtained from calculators. While computers are extremely reliable at solving math problems, there is always the risk of incorrectly inputting the problem to the computer. By getting better at mental mathematics, you will develop an intuition for whether the results of calculators make sense.

In fact, the ability to estimate is often sufficient to avoid using calculators altogether. While the use of computers is widespread, estimation is an increasingly valued skill in many industries. There are many situations where complex math will eventually be required, but a preliminary estimate is needed quickly. A major boost to productivity!


Use a Math Trainer

Mental math ability is a lot like physical fitness training. You may be out of shape in the beginning, but with diligent training you can and will improve. Initially you might not enjoy the exercise, but you will reap significant rewards for your effort. As you become more fit, you’ll begin to enjoy the activity much more. If you are serious about it, your mental calculation fitness could become a source of energy, galvanizing you to face the challenges of life with enthusiasm.

In physical training, you break down the fibers in your muscles during a workout session. Your muscles actually sustain tiny tears during resistance training exercises. While you rest afterwards, your body repairs the damage, rebuilding the fibers thicker and stronger.

A similar process is believed to occur for cognitive tasks. A 2016 study found "extensive evidence that brain-training interventions improve performance on the trained tasks".1 Therefore you can expect training your brain to answer mental math questions will lead to improved performance over time.

In the context of physical fitness, a "trainer" often refers to a trained professional who guides the workout and recovery process. Personal trainers are tasked with assessing a trainee's level of ability, prescribing an exercise regimen, and offering feedback as the training goes along. The word "trainer" could also refer to a system that automates the role of a personal trainer. Many aerobic exercise machines today offer interactive training programs with feedback and analysis of a user's performance.

A math trainer is needed for optimal math fitness. Like in physical fitness, the trainer should be compatible with users at a variety of skill levels and should guide them to the next level. It should give an accurate assessment of a user's strengths and weakness, as well as offer helpful feedback on where to focus one's efforts. Learning the ropes of mental maths with a math trainer should be a seamless, rewarding journey to ever-greater abilities.


Mental Calculation

Mental calculation, or mental math, is performing arithmetical calculations without the aid of tools or supplies. As opposed to using a calculator or pencil and paper, mental math is performed entirely in one’s head.

People use mental calculation when computation aides are not available, when it is faster to do so, or when they wish to practice, show off, or participate in mental math competitions. Most people perform basic mental calculation using elementary arithmetic on a daily basis. An inability to calculate mentally is a serious obstacle to many common tasks.

In U.S. schools, mental calculation is taught only for the most elementary arithmetic, such as single-digit addition and multiplication of two numbers between 0 and 12. To solve addition problems involving multiple digits, you are taught to add columns of digits from right to left, carrying the tens digit if the column sum exceeds 9. For example, how would you approach this addition problem?

Example of two-digit
addition problem

If you were trained like many of us were, you’d add the right column to obtain 12. Since that’s two digits, you’d write the 2 under the right column and carry the 10 by writing a 1 above the left column. Finally, you’d add the two tens digits and the carried 1 to obtain the answer, 52.

To solve an addition problem mentally, it’s best to add the columns from left to right. In our example, you could add the tens digit of the second number, 30, to the first number, 14, to obtain 44. This is easier than the full problem because you’re just doing one mental calculation and tacking on the 4 from the 14 as the singles digit. Then you’d add the remaining ones digit of the second number, 8, to 44 to arrive at the answer, 52.

Which approach seems simpler to you? Can you do the first approach without pulling out a pencil and paper? It turns out the same advantages of left-to-right addition apply to much larger numbers as well. It’s unlikely that difficult addition problems can be solved right to left without needing to write it all out, which of course is more time consuming.

Mental math should be distinguished from the memorization of math facts such as multiplication tables. A foundation of memorized answers to simple math problems will make mental math easier, but performing maths in your head requires both memorized facts and the manipulation of numbers and operations to solve problems. This combination of skill and memory allows us to solve far more complex math questions than can be answered with readily-memorized math facts.

Many mental math tricks are specific to particular numbers or types of problems, usually dependent on the base of the number system used. In the decimal numeral system, for example, it is trivially easy to multiply by 10—just add a 0 to the end of the number. This mental math trick wouldn’t work in the hexadecimal numeral system, though, because the base is 16 instead of 10.

Therefore mental calculation is the ability to manipulate complex arithmetic problems in such a way that they can be resolved using simple memorized math facts.


Arithmetic

Arithmetic is the branch of mathematics concerning basic number operations: addition, subtraction, multiplication, and division. As kids, we are taught to do arithmetic because real-world math problems depend on a mastery of elementary arithmetic. Higher-level study of arithmetic and the integers, or whole numbers, is known as number theory.

Though the math kids initially study is arithmetic, the word is rarely used in this context anymore. Originally it comes from the Greek arithmos, meaning “number”. It has however been included in the “three Rs” of elementary Western education: reading, writing, and arithmetic.

There is evidence prehistoric humans were using arithmetic as hunter-gatherers. Archaeologists have uncovered a tally stick, believed to be over 20,000 years old, which may exhibit the earliest known sequences of prime numbers. An understanding of prime numbers, which are only divisible by themselves and the number 1, requires knowledge of the operation in arithmetic known as division.

From tally marks came base-10 numerals such as those used in Egypt over 5,000 years ago. Number systems based on 10 probably arose because humans have ten “digits” as fingers on their hands (or toes on their feet). A later advance in arithmetic was positional notation, which allowed the same symbols to represent different magnitudes depending on their position in the written number. These numeral systems allowed complex arithmetic to be communicated, recorded, and applied to the challenges faced by our ancestors.

The basic operation of arithmetic is addition. It combines two or more numbers into one, the sum of the terms. The terms can be added in any order, which is known as the commutative property of arithmetic. On a number line, the sum of two numbers is the total distance from zero covered by both numbers.

The inverse arithmetical operation of addition is subtraction. It finds the difference between two numbers. Subtraction is not commutative because the order of the numbers determines whether the answer is positive or negative. On a number line, the difference between two numbers is the distance between their positions.

A second basic operation of arithmetic is multiplication, which scales a number by another number. This second number is called a factor. Like addition, multiplication is commutative—you can change the order of the factors and still get the same answer. Multiplication on a number line can be viewed as adding the first number a total number of times equal to the second factor.

Finally, division is an arithmetical operation that is essentially the inverse of multiplication. Rather than scaling a number, it is divided into a number of pieces equal to the second number. Dividing by the number 0 is not defined in arithmetic because dividing something into zero pieces is impossible.

Basic arithmetic allows us to evaluate the answers to an unlimited number of mathematical expressions. Arithmetical expressions can be purely mathematical, as in 2 + 2, or they can represent quantities in the physical world, such as two items plus two more. Understanding the laws of arithmetic is tremendously powerful.


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