Leaderboard
Louisiana
Rank
Level
1
Danielle Teter
Ruston
83
2
Tester
New Orleans
38
3
User
Sulphur
34
4
NOLA Math
New Orleans
31
5
Lakshmi Sirigireddy
Lafayette
27
6
User
New Orleans
26
7
Farouq Ghandour
Baton Rouge
22
8
User
Monroe
18
9
Arthur Pruitt
New Orleans
18
10
User
New Orleans
16
11
User
Slidell
16
12
User
New Orleans
16
13
Peter G
New Orleans
15
14
Flame
New Orleans
15
15
User
Breaux Bridge
15
16
User
Metairie
15
17
User
New Orleans
15
18
User
New Orleans
14
19
User
Shreveport
13
20
User
New Orleans
13
21
User
New Orleans
12
22
Imanilovely
Bossier City
12
23
User
New Orleans
12
24
User
Opelousas
12
25
User
Slidell
12
26
Cedar Parker
New Orleans
11
27
User
New Orleans
11
28
User
Sulphur
11
29
User
New Orleans
11
30
User
Metairie
11
31
User
New Orleans
10
32
User
New Orleans
10
33
User
Baton Rouge
10
34
User
Baton Rouge
10
35
User
New Orleans
9
36
User
Shreveport
9
37
Math Trainer
New Orleans
9
38
User
New Orleans
9
39
User
New Orleans
9
40
User
New Orleans
9
41
User
Kenner
8
42
Alex R
Metairie
8
43
paige arnouville
Morgan City
8
44
User
New Orleans
8
45
User
Baton Rouge
8
46
User
Metairie
8
47
Zach
New Orleans
8
48
User
Iowa
7
49
User
Marrero
7
50
User
Metairie
7
51
User
New Orleans
7
52
User
New Orleans
7
53
Eden Gallegos
Baton Rouge
7
54
User
Pineville
7
55
User
Folsom
6
56
User
New Orleans
6
57
User
Morgan City
6
58
User
New Orleans
6
59
User
New Orleans
6
60
Cheryl Meade
Sterlington
6
61
User
Tickfaw
6
62
User
Tickfaw
6
63
User
New Orleans
6
64
User
New Orleans
6
65
User
New Orleans
6
66
User
New Orleans
6
67
drake macaluso
Morgan City
6
68
Trisha B
Baton Rouge
5
69
User
New Orleans
5
70
User
Iowa
5
71
User
Morgan City
5
72
Nolan Simmons
Morgan City
5
73
ataysia grant
Morgan City
5
74
Lily Romero
Morgan City
5
75
User
Shreveport
5
76
User
New Orleans
5
77
User
Slidell
5
78
User
Bossier City
5
79
User
Tickfaw
5
80
Brad Truxillo
New Orleans
5
81
User
Metairie
5
82
User
Harvey
5
83
User
New Orleans
5
84
User
New Orleans
4
85
User
New Orleans
4
86
User
New Orleans
4
87
User
New Orleans
4
88
User
New Orleans
4
89
User
Shreveport
4
90
User
Metairie
4
91
Ty Eschette
Morgan City
4
92
Grace Landry
Morgan City
4
93
User
Rayville
4
94
User
Hammond
4
95
User
Shreveport
4
96
User
New Orleans
4
97
User
Abita Springs
3
98
User
Opelousas
3
99
User
Iowa
3
100
User
New Orleans
3
101
User
Metairie
3
102
User
Tickfaw
3
103
User
Tickfaw
3
104
User
Tickfaw
3
105
User
Tickfaw
3
106
User
Tickfaw
3
107
User
Lake Charles
3
108
User
New Orleans
3
109
User
Morgan City
3
110
Yellow14
Morgan City
3
111
Case Maulden
Morgan City
3
112
Jude Guarisco
Morgan City
3
113
Mustard64
Morgan City
3
114
User
Larose
3
115
User
Bossier City
3
116
User
Benton
3
117
User
Baton Rouge
3
118
User
Rayville
3
119
Shane Jackson
New Orleans
3
120
User
Bossier City
3
121
User
New Orleans
3
122
User
Amite City
3
123
User
New Orleans
3
124
treyton desormeaux
Morgan City
3
125
braden martin
Morgan City
3
126
User
New Orleans
3
127
Cassidy Gregg
Morgan City
3
128
Chase Leon
Morgan City
3
129
User
New Orleans
3
130
User
New Orleans
3
131
User
New Orleans
3
132
User
Metairie
3
133
User
Moss Bluff
3
134
User
New Orleans
3
135
User
New Orleans
3
136
User
Tickfaw
2
137
User
Tickfaw
2
138
User
New Orleans
2
139
User
New Orleans
2
140
User
Doyline
2
141
User
Breaux Bridge
2
142
User
Morgan City
2
143
User
Slidell
2
144
User
New Orleans
2
145
User
New Orleans
2
146
User
New Orleans
2
147
User
Slidell
2
148
User
New Orleans
2
149
User
Shreveport
2
150
Blade Crabtree
New Orleans
2
151
Sandra Wells
Sunset
2
152
User
Baton Rouge
2
153
Michael Jones
Morgan City
2
154
kane mason
Morgan City
2
155
kathleen carpenter
Morgan City
2
156
User
Baton Rouge
2
157
User
Bossier City
2
158
User
Youngsville
2
159
User
Tickfaw
2
160
User
Tickfaw
2
161
User
Tickfaw
2
162
User
Tickfaw
2
163
User
Tickfaw
2
164
User
Tickfaw
2
165
User
Prairieville
2
166
User
New Orleans
2
167
User
Belle Chasse
2
168
User
Metairie
2
169
User
New Orleans
2
170
User
New Roads
2
171
User
New Orleans
2
172
keon carbin
Morgan City
2
173
Dane Grow Jr.
Morgan City
2
174
User
Opelousas
2
175
User
New Orleans
1
176
Alex Nguyen
Lafayette
1
177
User
New Orleans
1
178
Hank Rearden
New Orleans
1
179
User
New Orleans
1
180
User
New Orleans
1
181
User
Lafayette
1
182
User
New Orleans
1
183
User
Shreveport
1
184
User
New Orleans
1
185
User
New Orleans
1
186
Eva-Quenby Johnson
New Orleans
1
187
User
New Orleans
1
188
User
Mandeville
1
189
User
New Orleans
1
190
User
New Orleans
1
191
User
Shreveport
1
192
User
Metairie
1
193
User
Metairie
1
194
User
Tickfaw
1
195
User
Tickfaw
1
196
User
Tickfaw
1
197
User
Tickfaw
1
198
User
Tickfaw
1
199
User
Tickfaw
1
200
User
Baton Rouge
1
201
User
New Orleans
1
202
User
New Orleans
1
203
User
Shenandoah
1
204
isis ortiz
Morgan City
1
205
kaden gil
Morgan City
1
206
madison despaux
Morgan City
1
207
lex hebert
Morgan City
1
208
brett bearb
Morgan City
1
209
Donna Gisclair
Morgan City
1
210
Layla Nelson
Morgan City
1
211
Destany Amburgey
Morgan City
1
212
User
Baton Rouge
1
213
User
Luling
1
214
User
Baton Rouge
1
215
User
New Orleans
1
216
User
New Orleans
1
217
User
Marrero
1
218
User
Lake Charles
1
219
User
New Orleans
1
220
User
Crowley
1
221
User
Slidell
1
222
User
New Orleans
1
223
User
New Orleans
1
224
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New Orleans
1
225
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New Orleans
1
226
User
New Orleans
1
227
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New Orleans
1
228
User
New Orleans
1
229
User
New Orleans
1
230
User
New Orleans
1
231
User
New Orleans
1
232
User
Kenner
1
233
User
Lake Charles
1
234
User
New Orleans
1
235
User
New Orleans
1
236
User
New Orleans
1
237
User
New Orleans
1
238
User
Kinder
1
239
User
Opelousas
1
240
User
Morgan City
1
241
haily berthelot
Morgan City
1
242
syris breaux
Morgan City
1
243
Amaya Howard
Morgan City
1
244
Kierah Paul
Morgan City
1
245
Kevin Granados
Morgan City
1
246
Gabrielle Rabb
Morgan City
1
247
Abbie Dupuis
Morgan City
1
248
keith McCue
Morgan City
1
249
shawn francois
Morgan City
1
250
User
Houma
1
251
User
Monroe
1
252
User
Bastrop
1
253
User
Mandeville
1
254
User
Prien
1
255
User
Shreveport
1
256
User
Iowa
1
257
User
New Orleans
1
258
User
Baton Rouge
1
259
User
New Orleans
1
260
User
New Orleans
1
261
User
New Orleans
1
262
User
New Orleans
1
263
User
New Orleans
1
264
Tiger
New Orleans
1
265
User
New Orleans
1
266
User
Slidell
1
267
User
Opelousas
1
268
User
Opelousas
1
269
User
City
1
270
User
Harvey
1
271
User
Tickfaw
1
272
User
Tickfaw
1
273
User
Tickfaw
1
274
User
Claiborne
1
275
User
Tickfaw
1
276
User
Tickfaw
1
277
User
Tickfaw
1
278
thta boy marcus
Tickfaw
1
279
User
Tickfaw
1
280
User
Tickfaw
1
281
User
Tickfaw
1
282
User
Tickfaw
1
283
User
New Orleans
1
284
User
Tickfaw
1
285
User
Tickfaw
1
286
User
Tickfaw
1
287
User
Tickfaw
1
288
Matthew McNeese
Tickfaw
1
289
User
Tickfaw
1
290
User
Tickfaw
1
291
User
New Orleans
1
292
User
New Orleans
1
293
Travoris Curry
Baton Rouge
1

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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 math 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 math, 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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