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Nelson Education > School > Mathematics K-8 > Math Focus > Grade 9 > Student Centre > Surf for More Math > Chapter 3 - Lesson 1

Surf For More Math


Lesson 1: Enlargements and Reductions
Lesson 2: Determining Similarity
Lesson 3: Scale Factors
Lesson 4: Drawing a Similar Polygon
Lesson 5: Solving Problems Involving Similar Shapes
Lesson 6: Communicate about Similarity

Use these interactive activities to have fun on the Web while learning about similar polygons.

Instructions for Use


Scroll to the bottom of the page to do the practice questions. Determine the number based on the ratio. Enter in your answer and check to see if it is correct.

Similar Shapes Tutorial

Click on the intermediate level to begin. Watch the tutorial for a review on similar shapes.

Similar Shapes

Read the information on similar shapes and try the questions at the bottom of the page. Try pages 2 and 3 on similar triangles and congruent shapes as well.