JHS2 Mathematics · Term 3, Week 7

Position and Transformation

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Notes for this lesson are being prepared. The curriculum details below are complete and ready to use for your planning.

Curriculum details

Strand: Geometry and Measurement (Strand 3)
Sub-strand: Position and Transformation (3.3)
Content standard: B8.3.3.1 - Perform a single transformation (i.e. rotation) on a 2D shape using graph paper (including technology) and describe the properties of the image under the transformation (i.e. congruence)
Indicator: B8.3.3.1.2 - Draw rotation image in a coordinate plane and determine the angle of rotation.
Suggested placement: Term 3, Week 7 (Week 31 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: Mathematics, Common Core Programme (JHS1-JHS3), 2023, p. 152
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

E.g. 1. Rotate a shape through a given centre of rotation and angle of rotation using rotation rules.

Figure from the jhs2 mathematics curriculum, printed page 152

i. State the object points and its corresponding image points under a given rotation.
ii. Draw points of shapes under a clockwise or anti-clockwise rotation through a given angle about the origin (90º, 180º, 270º).
E.g. 2. Determine the angle of rotation using the points of an object, its images and centre.

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