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Surf for More Math

Lesson 4 - Choosing an Appropriate Unit


To encourage students to have fun on the Web while learning about Choosing an Appropriate Unit, here are some games and interactive activities they can do on their own or in pairs.


Choose centimeters, metres or kilometers to measure lengths and order lengths with different units.

Builds Upon

Student Book pages 112-113


Instructions for Use


Big Things lets students compare the size community monuments across Canada.

To use Big Things, click on 'Big Things By Province'. Choose a province and make a chart of the attraction and its measurement.


Amazing Animal Extremes helps students compare the lengths of dinosaurs, birds, reptiles and many wild species on the planet.

To use Amazing Animal Extremes, click on a species, and chart its length. Be sure to choose both large and small creatures.