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Mathematics Assignment Help: Shortcuts for Divisibility by 5, 6 , 8 and 9
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Sunday, January 11, 2009. Shortcuts for Divisibility by 5, 6 , 8 and 9. Few shortcuts to help you work smartly and save time. How to check a number is divisible by 5? It is very simple, check for units digit, if it is either 5 or 0, then clearly the number is divisible by 5. Is the number 13356890 divisible by 5? Check the units digit in the given number. Unit digit is 0, so 13356890 is divisible by 5. Is the number 56722368553 divisible by 5? How to check a number is divisible by 6? Is the number 737747...
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Mathematics Assignment Help: Shortcuts for Divisibility by 10,11, 12 and 15
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Tuesday, January 13, 2009. Shortcuts for Divisibility by 10,11, 12 and 15. How to check a number is divisible by 10? It is very simple, check for the units digit of the number, if it is 0, then the number is clearly divisible by 10. Is the number 1234567890 divisible by 10? Check for the unit digit, it is 0,. So 1234567890 is divisible by 10. Is the number 1236985 divisible by 10? The unit digit is not zero, so the number 1236985 is not divisible by 10. How to check a number is divisible by 11? Then chec...
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Mathematics Assignment Help: December 2008
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Friday, December 19, 2008. Multiplying by 25 and 125. To multiply by 25 you multiply by 100 (just add two 0’s to the end of the number) then divide by 4, since 100 = 25×4. Note: to divide by 4 your can just divide by 2 twice, since 2×2 = 4. 64×25 = 6400/4 = 3200/2 = 1600. 58×25 = 5800/4 = 2900/2 = 1450. To multiply by 125, you multiply. By 1000 then divide by 8 since 8×125 = 1000. Notice that 8 = 2×2x2. So, to divide by 1000 add three 0’s to the number and divide by 2 three times. Step1: Multiply the fir...
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Mathematics Assignment Help: Multiplying by 9, or 99, or 999
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Friday, December 19, 2008. Multiplying by 9, or 99, or 999. Multiplying by 9 is really multiplying by 10-1. So, 9×9 is just 9x (10-1) which is 9×10-9 which is 90-9 or 81. Let’s try a harder example: 46×9 = 46×10-46 = 460-46 = 414. One more example: 68×9 = 680-68 = 612. To multiply by 99, you multiply by 100-1. So, 46×99 = 46x (100-1) = 4600-46 = 4554. Multiplying by 999 is similar to multiplying by 9 and by 99. 38×999 = 38x(1000-1) = 38000-38 = 37962. October 3, 2011 at 5:02 PM. Multiplying by 25 and 125.
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Mathematics Assignment Help: Multiplying by 25 and 125
http://mathsassignmenthelp.blogspot.com/2008/12/multiplying-by-25-and-125.html
Friday, December 19, 2008. Multiplying by 25 and 125. To multiply by 25 you multiply by 100 (just add two 0’s to the end of the number) then divide by 4, since 100 = 25×4. Note: to divide by 4 your can just divide by 2 twice, since 2×2 = 4. 64×25 = 6400/4 = 3200/2 = 1600. 58×25 = 5800/4 = 2900/2 = 1450. To multiply by 125, you multiply. By 1000 then divide by 8 since 8×125 = 1000. Notice that 8 = 2×2x2. So, to divide by 1000 add three 0’s to the number and divide by 2 three times.
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Mathematics Assignment Help: March 2009
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Thursday, March 12, 2009. How to solve simultaneous equations by Elimination. These videos show how we can solve simultaneous equations through elimination - a faster and better way to solve equations! Help with Maths Assignment. Subscribe to: Posts (Atom). There was an error in this gadget. How to solve simultaneous equations by Elimination.
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Mathematics Assignment Help: Shortcuts for Divisibility by 2,3 and 4
http://mathsassignmenthelp.blogspot.com/2009/01/divisibility-by-number_11.html
Sunday, January 11, 2009. Shortcuts for Divisibility by 2,3 and 4. Here are a set of time saving divisibility shortcuts that you can use:. How to check a number is divisible by 2? It is very simple, first we should check the units digit of the number, whether it is divisible by 2. A number is divisible by 2, only when its unit digit contains 0, 2, 4, 6, 8. Is the number 6542646882 divisible by 2? Now, check the units digit of the number, it is 2, so 6542646882 is divisible by 2. January 21, 2010 at 11:58...
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Mathematics Assignment Help: January 2009
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Tuesday, January 13, 2009. Shortcuts for Divisibility by 10,11, 12 and 15. How to check a number is divisible by 10? It is very simple, check for the units digit of the number, if it is 0, then the number is clearly divisible by 10. Is the number 1234567890 divisible by 10? Check for the unit digit, it is 0,. So 1234567890 is divisible by 10. Is the number 1236985 divisible by 10? The unit digit is not zero, so the number 1236985 is not divisible by 10. How to check a number is divisible by 11? Then chec...
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Mathematics Assignment Help: The 11 Rule
http://mathsassignmenthelp.blogspot.com/2008/12/11-rule.html
Friday, December 19, 2008. To multiply any two digit number by 11:. For this example we will use 34. Separate the two digits in you mind (3 4). Notice the hole between them! Add the 6 and the 4 together (3 4=7). Put the resulting 7 in the hole 374. That's it! Source: http:/ www.helpwithassignment.com. November 17, 2014 at 1:11 AM. December 12, 2014 at 1:06 AM. January 28, 2015 at 10:52 PM. February 8, 2015 at 11:27 PM. February 8, 2015 at 11:50 PM. February 20, 2015 at 4:54 AM. Online ib tutors. April 1...
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