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" To divide by 10, move the decimal point one place to the left. To divide by 100, move the decimal. point two places to the left, and so on for other powers of 10. "
Shop Mathematics ...: Shop arithmetic - Σελίδα 35
των Earle Bertram Norris, Kenneth Gardner Smith, Ralph Thurman Craigo - 1912
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The accomptant's guide, a new system of arithmetic

James Morrison (accountant.) - 1801 - 242 σελίδες
...5)3.8456-5 4166 -~ Г 3750 7°9'3 Ex. 4th, 1134-T7=J, therefore 416 9 7)10206 1458 quotient. To diviA: by 10, move the decimal point one place to the left; to divide by 100, 1000, or the like, move it as many places to the left as there are cyphers. To divide by .3, multiply...

Practical Arithmetic

David Eugene Smith - 1905 - 646 σελίδες
...railroad, and Korea had 0.001 as many. How many had Korea? 361. Summary of short methods of division. 1. To divide by 10, move the decimal point one place to the left. 2. To divide by 100, move the decimal point two places to the left, and so on for other powers...

Advanced Arithmetic

David Eugene Smith - 1905 - 420 σελίδες
...railroad, and Korea had 0.001 as many. How many had Korea? 31. Summary of short methods of division. 1. To divide by 10, move the decimal point one place to the left. 2. To divide by 100, move the decimal point two places to the left, and so on for other powers...

The Practical Arithmetic: Oral and Written

Frank H. Hall - 1907 - 364 σελίδες
...Divide 24.255 by 6.3 d. 257.04 + . 36 e. Find the sum of the four quotients, a to d. To divide a number by 10, move the decimal point one place to the left. To divide a number by 20, take 1 half of 1 tenth of the number. To divide a number by 30, take 1 third of 1 tenth...

Shop Problems in Mathematics

William Edwin Breckenridge, Samuel Foster Mersereau, Charles Frederick Moore - 1910 - 296 σελίδες
...(15i)28. 272 x 12£. 17. 42x11. 26. 16x17. 9. 126 x 33£. 18. 13 x 14. 27. 34 x 15. 253. Division. (1) To divide by 10 move the decimal point one place to the left; eg 34.5 -+• 10 = 3.45. (2) To divide by 100 move the decimal point two places to the left ;...

Arithmetic ...

George Wentworth, David Eugene Smith - 1911 - 352 σελίδες
...the inverse of multiplication, we easily derive the following from the cases already considered : (1) To divide by 10, move the decimal point one place to the left ; by 100, two places ; by 1000, three places ; and so on. Thus 4936 - 10 = 493.6 ; $4876 + 100...

Shop Mathematics ...: Shop arithmetic

Earle Bertram Norris, Kenneth Gardner Smith, Ralph Thurman Craigo - 1912 - 208 σελίδες
...point one place to the right and made it 1.45. The number would then be 1T47% or ^|| instead of ^mr; so we see that moving the decimal point one place...left, etc. Example : Reduce 10275 cents to dollars. 10275 -T- 100 = $102. 75 (Decimal point moved two places to left). 40. Division. — The division of...

New York State Arithmetic: Years Five, Six, Seven, and Eight

George Albert Wentworth, David Eugene Smith - 1912 - 374 σελίδες
...the inverse of multiplication, we easily derive the following from the cases already considered : (1) To divide, by 10, move the decimal point one place to the left ; by 100, two places ; by 1000, three places ; and so on. Thus 4936 - 10 = 493.6 ; $4876 -5. 100...

Arithmetic [elementary, Intermediate, Advanced].

Charles Ernest Chadsey - 1914 - 274 σελίδες
...even where there are no cents written. In order to divide the number by 10, it is necessary only to move the decimal point one place to the left. To divide by 100, the decimal point must be moved two places to the left. In dividing by ten, it is necessary to have...

Wentworth-Smith Arithmetics: Grades VII and VIII

George Albert Wentworth, David Eugene Smith - 1914 - 396 σελίδες
...is the inverse of multiplication, we easily derive the following from the cases already considered : To divide by 10, move the decimal point one place to the left ; by 100, two places ; by 1000, three places ; and so on. Thus 4936 -*- 10 = 493.6 ; $4876 + 100...




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