  # Surf for More Math

## Lesson 6 - Multiply by Two-Digit Numbers

To encourage students 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 students 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 students 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 students 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 students have completed one problem, click the 'Next' button to do another.   