Content Area: Math

 

Index: 4.2B Grade 7 CPI 1

 

Standard: 4.2 - Geometry and Measurement

 

Strand: B - Transforming Shapes

 

Cumulative Progress Indicator: 1 - The student will understand and apply transformations.

·        Finding the image, given the pre-image, and vice-versa

·        Sequence of transformations needed to map one figure onto another

·        Reflections, rotations, and translations result in images congruent to the pre-image

·        Dilations (stretching/shrinking) result in images similar to the pre-image

 

Grade: 7

 

Sample Activities:

 

·        Students use the reducing and/or enlarging feature on a copier to explore repeated reductions/enlargements by the same factor (iteration).