# Surf for More Math

## Lesson 7 **- Dividing by 1000 and 10 000**

To encourage your child to have fun on the Web
while learning about Dividing by 1000 and 10 000, here are some games
and interactive activities they can do on their own or in pairs.

**Goal**

Use mental math to multiply or divide a whole number by 1000 and 10
000.

**Builds Upon**

Student Book pages 184-185

**Instructions for Use**

Interactive
Calculator lets your child multiply and divide a whole number by
1000 and 10 000.

To use Interactive Calculator, start by pressing a whole number. This
number will appear in the calculator window. Press the 'x' button on
the calculator, and then enter 1000. Press the '=' button on the calculator
to get the result. To divide, start by pressing a whole number. Press
the ' ÷' ' button on the calculator, and then enter 1000. Press
the '=' button on the calculator to get the result. Have your child
multiply and divide whole numbers by 10 000 using the interactive calculator.