ICSE-ClassIX-Math

Sekhar S, Sep 1, 2020

ICSE Math activities of class IX https://cisce.org/UploadedFiles/PDF/12.%20ICSE%20Mathematics.pdf

Table of Contents

  1. 9.Triangles (congruency)
    1. Triangle Sides and Angles
    2. Angles opposite to equal sides (isosceles triangle)
    3. Triangle Medians: Quick Investigation
    4. Medians Centroid Theorem (Proof without Words)
    5. Medians and Centroid Dance
    6. Triangle Altitude Illustrator and Definition Writing Prompt
    7. Drawing Orthocentre & Some Quiz
    8. Triangle Exterior Angle
    9. Polygons: Exterior Angles
    10. SAS Theorem & Similarity
    11. SAS: Dynamic Proof!
    12. ASA Theorem?
    13. gg

1.

9.Triangles (congruency)

  • 1. Triangle Sides and Angles
  • 2. Angles opposite to equal sides (isosceles triangle)
  • 3. Triangle Medians: Quick Investigation
  • 4. Medians Centroid Theorem (Proof without Words)
  • 5. Medians and Centroid Dance
  • 6. Triangle Altitude Illustrator and Definition Writing Prompt
  • 7. Drawing Orthocentre & Some Quiz
  • 8. Triangle Exterior Angle
  • 9. Polygons: Exterior Angles
  • 10. SAS Theorem & Similarity
  • 11. SAS: Dynamic Proof!
  • 12. ASA Theorem?
  • 13. gg

1.1.

Triangle Sides and Angles

Explore the relationship between the sides and angles.
– Philip K

1.2.

–

1.3.

–

1.4.

–

1.5.

–

1.6.

–

1.7.

–

1.8.

–

1.9.

–

1.10.

–

1.11.

–

1.12.

–

1.13.

–

Information