# Surf for More Math

## CHAPTER 6: MULTIPLICATION

**Lesson 5: Halving and Doubling to Multiply **

Use these interactive activities to encourage students to have fun on the Web while learning about multiplication. Students can try these activities on their own or in pairs.

**Goal**

Multiply by halving and doubling.

**Builds Upon**

Student Book pages 188–191

**Instructions for Use**

**The Near Doubles Machine** allows students to practise doubling and halving strategies.

To use the Near Doubles Machines, read the instructions and click “Next” to begin. Select one of the four operations to get closer to the target number. Do this in the fewest number of clicks until you’ve reached the target number