MATH STRAND IV:
GEOMETRY
12. Apply congruence, symmetry, paths, simple closed curves, and the ideas of interior and exterior.
These geometric concepts develop through visualizing, drawing and comparing figures or shapes. Students should develop a facility with the language of geometiy through explorations using models and experiences in sorting, classifying, drawing, and sketching. lest items use only plane figures (two-dimensional).
13. Recognize parallel, intersecting, and perpendicular lines, and right angles in geometric figures.
Students should be able to identify, describe, compare, and classify lines and angles. Classification of angles is in reference to right angles, i.e., smaller than a right angle or larger than a right angle. ibsi items use illustrations of real-life objects or geometric figures.
14 DetermIne properties of two-dImensIonal figures and compare shapes according to their characterizing properties, identify two-dimensional shapes on a picture of a three-dimensional object, and compare three-dimensional objects describing similarities and differences using appropriate standard or non-standard language.
The focus for this outcome is identifying properties of figures and comparing and classifying figures according to their properties. lest items use illustrations of two- or three-dimensional geometric figures, as well as real-life objects, that are familiar to fourth-grade students.
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