Geometry Warm-Up: Shapes Around Us

A 5-Day Journey Through 2D and 3D Shapes Year 2-3 Mathematics New Zealand Curriculum

What is a Shape Detective?

Someone who looks carefully at objects Notices the features that make each shape special Uses shape vocabulary to describe what they see Finds shapes hiding in everyday objects

Monday: 2D Shapes in Real Life

Today we explore flat shapes Circles, triangles, squares, rectangles, and octagons Look for these shapes around us Notice their special features

Circle: What shape do you think this is?

Circle Features

Trace the edge with your finger How many corners can you count? Is the edge straight or curved? What makes a circle special?

Triangle: What shape can you see here?

Triangle Hunt

Count the sides Count the corners (vertices) Are all sides the same length? What other triangles can you spot?

Square: How do you know this is a square?

Square vs Diamond

A square has 4 equal sides All corners are right angles When we turn it, it's still a square! A diamond is just a rotated square

Rectangle: What shape does this object match?

Square vs Rectangle

{"left":"4 sides\n4 sides\nAll sides equal\nOpposite sides equal","right":"4 right angles\n4 right angles\nSpecial type of rectangle\nCan have different lengths"}

Octagon: What features tell you this is an octagon?