Surf for More Math
CHAPTER 9: 2-D SHAPES
Lesson 2: Sorting 2-D Shapes
Use these interactive activities to encourage students to have fun on the Web while learning about 2-D shapes. Students can try these activities on their own or in pairs.
Sort a given set of 2-D shapes using two attributes, and explain the sorting rule.
[C, CN, R, V]
Instructions for Use
What is a 2-D shape? lets students investigate 2-D shapes.
To use What is a 2-D shape?, click on the 2-D shape. Read through the web page. Click the Next button to view the 2-D shapes. Move your pointer over the shapes to see their properties.
Shape Sort lets students sort 2-D shapes according to the number of sides.
To use Shape Sort, drag and drop the shape into one of two categories: “4 sides or more” or “Less than 4 sides.”