Draw a 3-cm-by-7-cm rectangle. Then discuss the difference in the units we attach to the 3 and the 7 in these two situations: • When applying the rectangle area formula to determine the area of the rectangle. • When viewing the rectangle as decomposed into equal groups of 1-cm-by-1-cm squares in order to apply the definition of multiplication. Beckmann, Sybilla. Mathematics for Elementary Teachers with Activities, (p. 529). Pearson Education. Kindle Edition.
Draw a 3-cm-by-7-cm rectangle. Then discuss the difference in the units we attach to the 3 and the 7 in these two situations: • When applying the rectangle area formula to determine the area of the rectangle. • When viewing the rectangle as decomposed into equal groups of 1-cm-by-1-cm squares in order to apply the definition of multiplication. Beckmann, Sybilla. Mathematics for Elementary Teachers with Activities, (p. 529). Pearson Education. Kindle Edition.
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter59: Areas Of Rectangles, Parallelograms, And Trapezoids
Section: Chapter Questions
Problem 80A: One of the examples showed how to find the area of the metal stamping in Figure 59-2. Another method...
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Draw a 3-cm-by-7-cm rectangle. Then discuss the difference in the units we attach to the 3 and the 7 in these two situations: • When applying the rectangle area formula to determine the area of the rectangle. • When viewing the rectangle as decomposed into equal groups of 1-cm-by-1-cm squares in order to apply the definition of multiplication.
Beckmann, Sybilla. Mathematics for Elementary Teachers with Activities, (p. 529). Pearson Education. Kindle Edition.
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