# Surf for More Math

## Lesson 4 **- Subtracting Whole Numbers**

To encourage your child to have fun on the Web
while learning about Subtracting Whole Numbers, here are some games
and interactive activities they can do on their own or in pairs.

**Goal**

Subtract whole numbers to solve problems.

**Builds Upon**

Student Book pages 114-116

### Instructions for Use

** **

** **

Interactive
Calculator allows your child to subtract whole numbers.

To use Interactive Calculator, start by pressing a five-digit number
on the interactive calculator. This number will appear in the calculator
window. Press the ' - ' button on the calculator, and then enter a four-digit
number. Press the '=' button on the calculator.