 When a pupil is told to find the area of a rectangle by multiplying the length by the width, he has no real conception of area although he may always get the correct answer.  Primary book - Σελίδα 284των Thomas Alexander, Charles Madison Sarratt - 1924Πλήρης προβολή - Σχετικά με αυτό το βιβλίο
 | Sue Bright, Lynne McClure - 2004 - 232 σελίδες
...Triangles Understand and use the formula for finding the area of any triangle. formula We can calculate the area of a rectangle by multiplying the length by the width. The formula is Area = length x width length Shapes that do not have right angles have slant heights... | |
 | Dave Kirkby, Sue Bright - 2005 - 230 σελίδες
...Areas Be able to find areas of compound shapes area formula base perpendicular height We can calculate the area of a rectangle by multiplying the length by the width. The formula is Area = length X width width length The formula for calculating the area of a triangle... | |
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