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" It is evident from what we have seen in adding and subtracting decimals, that in this case there must be as many decimal places in the product, as there are in the multiplicand. It may perhaps be more satisfactory if we analyze it. "
Arithmetic: Being a Sequel to First Lessons in Arithmetic - Σελίδα 213
των Warren Colburn - 1824 - 267 σελίδες
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Arithmetic [elementary, Intermediate, Advanced].

Charles Ernest Chadsey - 1914
...fill vacant places. Thus .1X.1 equals .01; .lX. 01 equals .001. In the multiplication of decimals, there must be as many decimal places in the product as there are in all in the multiplier and multiplicand. If necessary in order to make up the number of decimal places,...

Essentials of Arithmetic: Grammar School Book

George Wentworth, David Eugene Smith - 1915 - 563 σελίδες
...rightrhand figure in the hundredths' place In multiplying a decimal fraction It/ an integer, there are as many decimal places in the product as there are in the multiplicand. This is evident from the above explanation. If we multiply tenths by a whole number the product is...

Essentials of Arithmetic, Τόμος 2

George Wentworth, David Eugene Smith - 1915
...right>hand figure in the hundredths' place. In multiplying a decimal fraction by an integer, there are as many decimal places in the product as there are in the multiplicand. This is evident from the above explanation. If we multiply tenths by a whole number the product is...

Essentials of Arithmetic, Τόμος 2

George Wentworth, David Eugene Smith - 1915
...Q . . r figure in the hundredths' place. In multiplying a decimal fraction by an integer, there are as many decimal places in the product as there are in the multiplicand. This is evident from the above explanation. If we multiply tenths by a whole number the product is...

Essentials of Arithmetic: Intermediate Book

George Wentworth, David Eugene Smith - 1915 - 298 σελίδες
...right-hand figure in the hundredths' place. In multiplying a decimal fraction by an integer, there are at many decimal places in the product as there are in the multiplicand. This is evident from the above explanation. If we multiply tenths by a whole number the product is...

Book two (1917)

Edward Lee Thorndike - 1917
...not .392 sq. mi. Learn this rule: Multiply with decimals just as with whole numbers. Then point off as many decimal places in the product as there are in the multiplier and the multiplicand together. 1. Find the area of a rectangle 14.21 miles long and 2.4...

Junior High School Mathematics ...

John Charles Stone - 1919
...multiplicand. From principle 3 above, it follows that when the multiplier is a whole number, there will be as many decimal places in the product as there are in the multiplicand. It also follows that a fraction is multiplied by a whole number by multiplying the numerator and leaving...

Arithmetic: Book One[-three, Βιβλίο 2

Edward Lee Thorndike - 1920
...decimal numbers: ABCD 10X9.618 100 X. 946 2X4.31 3X23 Remember: In multiplying with decimals point off as many decimal places in the product as there are in the multiplier and multiplicand together. 100X9.618 100 X -4273 10 X -341 2X -341 20 X .341 100 X -12 .06X11...

Fundamentals of Practical Mathematics

George Wentworth, David Eugene Smith, Herbert Druery Harper - 1922 - 202 σελίδες
...found accurately beyond 0.1". Therefore we write the result as 35.8". Beginning at the right, point off as many decimal places in the product as there are in the two numbers together. Exercises. Multiplication of Decimals 1. Find the dimensions corresponding to...

A Course in Arithmetic for Teachers and Teacher-training Classes

James Robert Overman - 1923 - 376 σελίδες
...the following way. To multiply a decimal by an integer, multiply as in whole numbers and point off as many decimal places in the product as there are in the multiplicand. A second method of deriving this rule makes use of the pupil's knowledge of concrete numbers to obtain...




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