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" We express the length- breadth, and thickness in units of the same denomination ; then we multiply the number of units in the length by the number of units in the breadth... "
A Mental Arithmetic - Page 66
by George Albert Wentworth - 1895 - 190 pages
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An Elementary Arithmetic

George Albert Wentworth - Arithmetic - 1893 - 242 pages
...finding the area of a rectangle : Express the length and breadth in units of the same denomination ; multiply the number of units in the length by the number of units in the breadth, and this product will be the number of square units of that denomination. Find the area of a rectangle : 1. 8"x5". 4....
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An Elementary Arithmetic

George Albert Wentworth - Arithmetic - 1894 - 232 pages
...rectangular solid : We express the length- breadth, and thickness in units of the same denomination ; then we multiply the number of units in the length...product by the number of units in the thickness ; the result will be the number of cubic units of that denomination. Find the volume of a rectangular solid:...
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An Elementary Arithmetic

George Albert Wentworth - Arithmetic - 1894 - 242 pages
...the area of a rectangle : We express the length and breadth in units of the same denomination, and multiply the number of units in the length by the number of units in the breadth ; this product lvill be the number of square units of that denomination. Find the area of a rectangle...
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Robinson's New Higher Arithmetic: For High Schools, Academies, and ...

Horatio Nelson Robinson - Arithmetic - 1895 - 526 pages
...is its contents reckoned in cubic units. 120. HULK. — To find the volume of any rectangular solid, multiply the number of units in the length by the number of like units in the breadth, and this product b;/ the number of like units in the thickness; that in,...
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New Franklin Arithmetic, Book 2

Edwin Pliny Seaver - Arithmetic - 1895 - 450 pages
...108. The area of a surface is its contents reckoned in square units. To find the area of a rectangle, multiply the number of units in the length by the number of like units in the width. The product is the number of square units in the area. Oral Exercises. i 109....
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An Elementary Arithmetic

George Albert Wentworth - Arithmetic - 1897 - 326 pages
...rectangular solid : We express the length, breadth, and thickness in units of the same denomination ; then we multiply the number of units in the length by the number in the breadth, and this product by the number in the thickness; the result will be the number of cubic...
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The Elements of Arithmetic in Theory and Practice

John William Hopkins, Patrick Healy Underwood - Arithmetic - 1903 - 560 pages
...yards. From these illustrations it appears that the area of a rectangle is obtained by multiplying the number of units in the length by the number of units in the breadth; the resulting product times the square unit will be the area. 153. Number is the ratio of one quantity...
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A Text-book of Euclid's Elements for the Use of Schools, Book 1

Euclid - Euclid's Elements - 1904 - 488 pages
...the student is reminded of the following arithmetical rule : RULE. To find the area of a rectangle, multiply the number of units in the length by the number of units in the breadth ; the product will be the number of square units in the area. For example, if the two sides AB, AD...
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California Education, Volume 2

Education - 1914 - 220 pages
...it contains. From the problems given above, it will be seen that to find the area of a rectangle — Multiply the number of units in the length by the number of units in the width. 9. What is the area in sq. m. of a square whose side is 27 m.? 10. Find the area in sq. cm....
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Teachers College Record, Volume 8

James Earl Russell - Education - 1907 - 606 pages
...empty box with inch cubes and find that there are as many cubes in the first layer as the product of the number of units in the length by the number of units in the breadth, and that they need as many such layers to fill the box as there are units in its depth. From this they...
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