Difference between revisions of "Concepts in Action"
From wikisori
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− | After the concepts have been introduced, we proceed to more advanced work in the study of equivalences, and the study of the relative value between geometric figures. For this work the constructive triangles are used.<br> | + | After the concepts have been introduced, we proceed to more advanced work in the study of equivalences, and the study of the relative value between geometric figures. For this work the constructive triangles are used.<br> |
=== Presentation === | === Presentation === | ||
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=== Control Of Error === | === Control Of Error === | ||
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=== Points Of Interest === | === Points Of Interest === | ||
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=== Purpose === | === Purpose === | ||
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=== Variation === | === Variation === | ||
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=== Links === | === Links === | ||
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=== Handouts/Attachments === | === Handouts/Attachments === | ||
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− | [[Category:Mathematics]] [[Category: | + | [[Category:Mathematics]] [[Category:Mathematics_6-9]] |
Latest revision as of 04:22, 5 November 2009
Contents
Age
6-9.
Materials
- Three wooden boxes: One triangular, two hexagonal
- The triangular box contains ten pieces; the fundamental piece is the right-angled scalene triangle, 1/2 of the equilateral triangle.
- The larger hexagonal box contains eleven pieces; the fundamental piece is the obtuse-angled isosceles triangle, 1/3 of the equilateral triangle.
- The smaller hexagonal box contains eighteen pieces; the fundamental piece is the smaller equilateral triangle, 1/4 of the large equilateral triangle of the first box.
- Colored paper
- Scissors
- Glue
- Right-angled ruler
- Graph paper
- Compass
- Inset of the equilateral trapezoid from "Additional insets"
Preparation
After the concepts have been introduced, we proceed to more advanced work in the study of equivalences, and the study of the relative value between geometric figures. For this work the constructive triangles are used.
Presentation
These materials are presented at two different levels, the first of which can be done in the Children's House as a sensorial exercise:
- One box is presented at a time.
- The child empties its contents, sorts the pieces by color and shape and unites the pieces along their black lines.
- The figures formed may be named at this level.
- Prior to the second level presentation in the elementary, make the box available to the children so that they may repeat the sensorial exercise and reacquaint themselves with the material.
Control Of Error
Points Of Interest
Purpose
Variation
Links
Handouts/Attachments