pdf Dilation - Identify The Scale Factor

This coordinate plane worksheet provides targeted practice on identifying the scale factor of dilations. Students examine pre-image and image figures plotted on a grid and determine the multiplicative factor used to transform one figure into another.

The problems include a variety of polygons positioned in different quadrants, requiring students to compare corresponding side lengths, analyze distance from the origin, and recognize both enlargement and reduction. Several questions involve fractional scale factors, whole-number scale factors, and factors greater than 1, strengthening conceptual understanding of how dilations affect size while preserving shape.

By focusing specifically on identifying the scale factor, this resource reinforces proportional reasoning within geometric transformations. It works well as guided practice, independent work, formative assessment, or review within a transformations unit.

Skills Assessed

• Identifying scale factor of a dilation

• Comparing corresponding side lengths

• Recognizing enlargements and reductions

• Interpreting dilations on the coordinate plane

• Applying proportional reasoning in geometric contexts

Classroom Use

• Transformations unit

• Dilation practice

• Small-group intervention

• Exit tickets or quick checks

• Review before assessment

Details

• 2 pages

• Includes student version and answer key

• Multiple figures across quadrants

• Mix of whole number and fractional scale factors

ID# 0420