Let's Do It: Informal Geometry Through Geometric Blocks
Geometric concepts and skills that are appropriate for elementary school pupils include comparing figures with respect to likenesses and differences, comparing and seriating figures with respect to size, classifying figures, making measurements, and performing informal activities related to congruence and line symmetry. AJI of these concepts and skills can be developed through the use of geometric blocks. A large set, which can serve to develop many ideas presented in the elementary school grades, is shown in figure 1. Various subgroups of these shapes can be used as the basis of structuring appropriate activities on different levels.
1978 ◽
Vol 78
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pp. 320-326
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2018 ◽
Vol 64
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pp. 43-53
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2012 ◽
Vol 7
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pp. 107-117
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2001 ◽
Vol 5
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pp. 207-218
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1983 ◽
Vol 14
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pp. 58-69
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2013 ◽
Vol 2
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pp. 17-32
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1973 ◽
Vol 73
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pp. 471-478