  # Surf for More Math

## Lesson 6 - Multiply by Two-Digit Numbers

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

### Goal

Use pencil and paper to multiply a whole number by a two-digit number.

### Builds Upon

Student Book pages 178-179

### Instructions for Use

Interactive Calculator lets your child multiply a whole number by a two-digit number.

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 a two-digit number. Press the '=' button on the calculator to get the result.

Multiplying 2- and 3-Digit Numbers prompts your child to use multiplication facts and regrouping to multiply by hundreds.

To use Multiplying 2- and 3-Digit Numbers , click the 'Start Multiplication ' button, and input answers into the textboxes at the prompts. Click the 'Check' button to check if the answer is correct.

Multiplying Two Two-Digit Numbers With Regrouping lets your child multiply two two-digit numbers using a step-by-step process.

To use Multiplying Two Two-Digit Numbers With Regrouping, click the 'Start' button, and input answers into the textboxes at the prompts. After your child has completed one problem, click the 'Next' button to do another.   