**There are many useful Math techniques, tricks, and secrets that can be valuable in your day to day work or study. Knowing these shortcuts are key to computation speed and accuracy in your Mental Mathematical Aptitude. This can be useful in applications such as IQ tests, aptitude tests, job application tests, military tests, college entrance tests and so many more uses in the office, workplace, or in your own home.**

**Division by parts ---> imagine dividing $874 between two persons**

874/2

= 800/2 + 74/2

= 400 + 37

= 437

70/14

= (70/7)/2 ---> 7 and 2 are the factors of 14

= 10/2

= 5

132/2

= (100/2 + 32/2) ---> break down into two fractions

= (50 + 16)

= 66

1400/5

= (1400/100) x 20

= 14 x 20

= 280

0.5/10

= 0.05 ---> 5% is 50% divided by ten

2100/50

= (2100/100) x 2

= 21 x 2

= 42

700/50

= (700/100) x 2

= 7 x 2

= 14

25/100

= 0.25

17/500

= (17/100) x 0.2

= 0.17 x 0.2

= 0.034

500/25

= (500/100) x 4

= 5 x 4

= 20

750/25

= (750/100) x 4

= 7.5 x 2 x 2

= 30

= 800/2 + 74/2

= 400 + 37

= 437

Division using the factors of the divisor: "double division"Division using the factors of the divisor: "double division"

70/14

= (70/7)/2 ---> 7 and 2 are the factors of 14

= 10/2

= 5

Division by using fractions:Division by using fractions:

132/2

= (100/2 + 32/2) ---> break down into two fractions

= (50 + 16)

= 66

Division by 5 ---> divide by 100 then multiply by 20Division by 5 ---> divide by 100 then multiply by 20

1400/5

= (1400/100) x 20

= 14 x 20

= 280

Division by 10 ---> move the decimal point one place to the leftDivision by 10 ---> move the decimal point one place to the left

0.5/10

= 0.05 ---> 5% is 50% divided by ten

Division by 50 ---> divide by 100 then multiply by 2Division by 50 ---> divide by 100 then multiply by 2

2100/50

= (2100/100) x 2

= 21 x 2

= 42

700/50

= (700/100) x 2

= 7 x 2

= 14

Division by 100 ---> move the decimal point two places to the leftDivision by 100 ---> move the decimal point two places to the left

25/100

= 0.25

Division by 500 ---> divide by 100 then multiply by 0.2Division by 500 ---> divide by 100 then multiply by 0.2

17/500

= (17/100) x 0.2

= 0.17 x 0.2

= 0.034

Division by 25 ---> divide by 100 then multiply by 4Division by 25 ---> divide by 100 then multiply by 4

500/25

= (500/100) x 4

= 5 x 4

= 20

750/25

= (750/100) x 4

= 7.5 x 2 x 2

= 30

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