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Elementary arithmetic
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=== Example === Dividing 272 and 8, starting with the hundreds digit, 2 is not divisible by 8. Add 20 and 7 to get 27. The largest number that the divisor of 8 can be multiplied by without exceeding 27 is 3, so it is written under the tens column. Subtracting 24 (the product of 3 and 8) from 27 gives 3 as the [[remainder]]. {|style="border-collapse: collapse; border-spacing: 2px; text-align:center" | ||2 ||7 ||2 |- |style="border-bottom: 1px solid black;"|Γ· ||style="border-bottom: 1px solid black;"| ||style="border-bottom: 1px solid black;"| ||style="border-bottom: 1px solid black;"|8 |- | || ||3|| |} Going to the ones digit, the number is 2. Adding 30 (the remainder, 3, times 10) and 2 gets 32. The quotient of 32 and 8 is 4, which is written under the ones column. {|style="border-collapse: collapse; border-spacing: 2px; text-align:center" | ||2 ||7 ||2 |- |style="border-bottom: 1px solid black;"|Γ· ||style="border-bottom: 1px solid black;"| ||style="border-bottom: 1px solid black;"| ||style="border-bottom: 1px solid black;"|8 |- | || ||3||4 |} The result: <math display="block">272 \div 8 = 34</math> ==== Bus stop method ==== Another method of dividing taught in some schools is the bus stop method, sometimes notated as <u> result </u> (divisor) dividend The steps here are shown below, using the same example as above: <u> <span style="color: red;">0</span><span style="color: green;">3</span><span style="color: blue;">4</span> </u> 8|272 <u>0</u> ( 8 × <span style="color: red;">0</span> = 0) <span style="color: darkorange;">2</span>7 ( 2 - 0 = <span style="color: darkorange;">2</span>) <u>24</u> ( 8 × <span style="color: green;">3</span> = 24) <span style="color: darkcyan;">3</span>2 (27 - 24 = <span style="color: darkcyan;">3</span>) <u>32</u> ( 8 × <span style="color: blue;">4</span> = 32) 0 (32 - 32 = 0) The result: <math display="block">272 \div 8 = 34</math>
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