Geometry and Spatial Sense - Grade 4
Overall Expectations
Achievement Levels
By the end of grade 4, students will: |
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4m61 - solve problems using geometric models; |
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4m62 - investigate the attributes of three-dimensional figures and two-dimensional shapes using concrete materials and
drawings; |
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4m63 - draw and build three-dimensional objects and models; |
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4m64 - explore transformations of geometric figures; |
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4m65 - understand key concepts in transformational geometry using concrete materials and drawings; |
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4m66 - describe location and movements on a grid; |
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4m67 - use language effectively to describe geometric concepts, reasoning, and investigations, and coordinate systems.
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Note: Record the most consistent level observed.
Specific Expectations
Two and three-Dimensional Geometry
Achievement Levels
By the end of grade 4, students will: |
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4m68 - identify the two-dimensional shapes of the faces of three-dimensional figures; |
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4m69 - sketch the faces that make up a three-dimensional figure using concrete materials as models; |
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4m70 - design and make skeletons (e.g., with straws or toothpicks and marshmallows) for three-dimensional figures; |
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4m71 - identify and sort quadrilaterals (e.g., square, trapezoid); |
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4m72 - sort and classify two-dimensional figures according to shape; |
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4m73 - identify similar and congruent figures using a variety of media; |
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4m74 - construct congruent figures in a variety of ways (e.g., cutting and matching, using a geoboard); |
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4m75 - discover geometric patterns and solve geometric puzzles with and without the use of computer applications; |
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4m76 - measure angles using a protractor; |
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4m77 - use mathematical language to describe geometric ideas (e.g., line, angle); |
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4m78 - recognize and describe the occurrence and application of geometric properties and principles in the everyday world;
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4m79 - discuss geometric concepts with peers and explain their understanding of the concepts; |
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4m80 - discuss ideas, make connections, and articulate hypotheses about geometric properties and relationships; |
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Transformational Geometry
Achievement Levels
By the end of grade 4, students will: |
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4m81 - demonstrate an understanding of translations, reflections, and rotations (e.g., on a geoboard or dot paper); |
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4m82 - apply translations, reflections, and rotations using concrete materials and drawings to pose and solve problems;
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4m83 - discover transformation patterns with and without the use of computer applications; |
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4m84 - draw lines of symmetry on two-dimensional shapes; |
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Coordinate Geometry
Achievement Levels
By the end of grade 4, students will: |
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4m85 - demonstrate an understanding of coordinate systems and an ability to use them in simple games (e.g., battleship,
bingo, chess). |
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Six of the Ontario Ministry
of Education expectations for Mathematics: Geometry and Spatial Sense are not addressed in this chess unit. They may be taught
using a more traditional approach to Geometry.
These exceptions are:
Two and three-dimensional
Geometry
4m64 - explore transformations of geometric
figures;
4m69 - sketch the faces that make up
a three-dimensional figure using concret materials as models;
4m71 - identify and sort quadrilaterals
(e.g., square, trapezoid);
4m76 - measure angles using a protractor;
4m78 - recognize and describe the occurrence
and application of geometric properties and principles in the everyday world;
4m84 - draw lines of symmetry on two-dimensional
shapes.
However, eight additional
Ontario Ministry of Education expectations for Mathematics - Grade 4, can be applied to chess instruction.
These additional expectations are:
Patterning and Algebra
4m86 - demonstrate an understanding
of mathematical relationships in patterns using concrete materials, drawings, and symbols;
4m87 - identify, extend, and create linear and non-linear
geometric patterns, number and measurement patterns, and patterns in their environment;
4m88 - recognize and discuss patterning rules;
4m89 - apply patterning strategies to problem-solving situations;
4m95 – use a calculator and computer applications to explore
patterns;
4m96 – pose and solve problems by applying a patterning strategy
(e.g., solve an area problem by extending a geometric grid pattern);
4m98 – discuss and defend the choice of a pattern rule;
4m99 – given a rule expressed in informal language, extend
a pattern.