# 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.

**Goal**

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.