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Surf for More Math

Lesson 5 - Solve Problems by Working Backwards


To encourage your child to have fun on the Web while learning about Solve Problems by Working Backwards, here are some games and interactive activities they can do on their own or in pairs.



Use a working-backward strategy to solve problems.


Builds Upon

Student Book pages 310-311


Instructions for Use


Solve Problems Working Backwards provides your child with a strategy to solve different mathematical problems.

To use Solve Problems Working Backwards, read the web site, and practice solving the questions with a paper and pencil.


The Elevator gives your child an example of a mathematical problem that is solved using the strategy of working backwards.

To use The Elevator, read the question on the website. Try to solve it using a paper and pencil. Click 'The Solution' link to see the strategy used to solve the problem working backwards.