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Surf for More Math

Lesson 4 - Doubling


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


Relate multiplication facts using a doubling strategy.


Builds Upon

Student Book pages 226-227


Instructions for Use

Double the Donuts helps students visualize a doubling strategy.

To use Double the Donuts, click on the 'Double It' button to see how the number of donuts increases. Notice the chart at the right of the program to see how quickly the number of donuts double.