Page 7 - Start Up Mathematics_7
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Chapter Contents Tasks to Perform
9. Lines and Related Angles—Complementary Angles, Supplementary • A Challenge!
Angles Angles, Adjacent Angles, Linear Pair and Vertically Opposite — Observation Skills, Analytical Thinking, Critical
Angles, Intersecting Lines, Transversal, Angles made by a Thinking
Transversal, Parallel Lines Cut by a Transversal
10. Properties of Classification of Triangles According to Sides and Angles, • Pair Activity (Verify exterior angle property)
Triangles Medians and Altitudes of a Triangle, Exterior Angle of a — Conceptual Understanding, Logical Thinking
Triangle and Its Relation with Interior Opposite Angles, Sum • Pair Activity (Verify angle sum property)
of Three Angles of a Triangle, Sum of the Lengths of Two Sides — Analytical Thinking, Evaluation
of a Triangle, Pythagoras Theorem, Converse of Pythagoras • Maths Lab Activity (Verify sum of lengths of two
Theorem, Pythagorean Triplet sides is greater than third side)
— Learning Skills, Observation, Evaluation
• Maths Lab Activity (Verify Pythagoras theorem)
— Learning Skills, Interpretation
11. Congruence Congruent Figures, Congruence of Line Segments and Angles, • Maths Lab Activity (SSS congruency and rigidity of
of Triangles Congruency of Triangles (SSS, SAS, ASA and RHS criteria) triangles)
— Learning Skills, Observation, Creative Thinking,
Analytical Thinking
12. Constructions Construction of a Line Parallel to a given Line through a Point • Maths Lab Activity (Construction of an equilateral
Not on It, Construction of Triangles (SSS, SAS, ASA and RHS triangle by paper folding)
criterions) — Application of Concepts, Critical Thinking,
Observation, Understanding
13. Reflection Line Symmetry, Lines of Symmetry of a Line Segment, • Maths Lab Activity (To find the rotational
and Line, Angle, Isosceles Triangle, Rectangle, Rhombus, Kite, symmetry of a parallelogram)
Rotational Isosceles Trapezium and a Semicircle, Lines of Symmetry of — Application of Concepts, Creative Thinking,
Symmetry Some Regular Polygons, Lines of Symmetry and Reflection, Observation, Analytical Thinking, Deductive
Translation Symmetry, Rotation, Angle of Rotation, Rotational Reasoning
Symmetry, Order of Rotational Symmetry, Line Symmetry and • Fun with Reflection
Rotational Symmetry — Understanding, Creative Thinking, Thinking
Skills, Presentation
14. Perimeter Squares and Rectangles, Triangles on Same Base and • Maths Lab Activity (Area of a parallelogram and
and Area between Same Parallel Lines, Circumference, Area of a Circle, triangle)
Conversion of Units, Area of Some More Plane Figures — Application of Concepts, Learning Skills,
Observation
• Maths Lab Activity (Ratio of circumference of a
circle to its diameter)
— Analytical Thinking, Deductive Reasoning
• Polygon Puzzle
— Conceptual Understanding
15. Visualizing Faces, Edges and Vertices, Nets of 3-D Shapes, Drawing Solids • Pair Activity (Visualizing a cube and cross-section
Solid Shapes on a Flat Surface—Oblique Sketch and Isometric Sketch, of a cube by a plane)
Visualizing Solid Objects, Viewing Different Sections of a — Creative Thinking, Critical Thinking, Analytical
Solid—Cross-Section by Slicing, Kitchen Play and Shadow Play Thinking
• Group Activity (To form a three-layered structure
using cubes)
— Team Spirit, Thinking Skills, Logical Reasoning
16. Data Collection of Relevant Data, Organization of Data, Measures • Maths Lab Activity (To collect data, convert it into
Handling of Central Tendency—Mean, Median and Mode, Bar Graphs, frequency distribution and find central tendencies)
Multiple Bar Graphs — Data Handling, Application of Concepts
17. Probability Probability, Terms Related to Probability—Random • Maths Lab Activity
Experiment, Trial, Sample Space and Event, Experimental — Creative Thinking, Application of Concepts
Probability • Project Work
— Observation, Conceptual Understanding,
Interpretation