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JC Perimeter - Coggle Diagram
JC Perimeter
Lesson 2 – Perimeter of Rectangles & Squares
Perimeter = distance around
Regular shapes
Square: 4 × side
Rectangle: 2L + 2W
Using multiplication instead of repeated addition
Word problems
Finding missing side
Link to real life (fencing, frames)
Lesson 1 – Converting Between Units of Length
Metric ladder (mm → cm → m → km)
×10, ×100, ×1000
Multiply down / Divide up
Converting whole numbers
Converting decimals
Choosing appropriate units
Units in answers
Lesson 3 – Perimeter of Irregular Shapes
Irregular shapes
Add all sides
Finding missing lengths
Drawing a sketch
Multi-step problems