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Lesson 8 - Solve Problems by Working Backwards
Use these interactive activities to encourage students to have fun on the Web while learning about solving problems by working backwards. Students can try these activities on their own or in pairs.
Use the strategy of working backwards to solve problems.
Student Book pages 216-218
Instructions for Use
Solve Problems Working Backwards provides students with a strategy to solve different mathematical problems.
To use Solve Problems Working Backwards, read through the Web page. Click the "Click here!" link at the bottom of the page and practice solving the questions using paper and pencil. Click the "Click Here" link beside a question to check your answer.
The Elevator gives students an example of a mathematical problem that is solved using the strategy of working backwards.
To use The Elevator, read the question on the Web page. Try to solve it using paper and pencil. Click the "THE SOLUTION" link to see the working-backwards strategy used to solve the problem.