# Surf fore More Math

## CHAPTER 6: MULTIPLICATION

**Lesson 9: Multiplying with Base Ten Blocks **

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**

Represent the products of two-digit numbers.

**Builds Upon**

Student Book pages 202–205

**Instructions for Use**

**Multiplication with Base Ten Blocks ** allows students to use base ten blocks to calculate the products of two numbers.

To use Multiplication with Base Ten Blocks, read the instructions and drag the sliders up and to the right to see how base ten blocks can be arranged to show various products. Click the Self-Check tab at the top of the screen to try some problems using numbers from 11 to 15. Enter your answer into the white box. Click the blue Check/Explain box to see how the question is solved using base ten blocks. Click “New Problem” to try another question. The Self-Check 2 tab allows you to practise using numbers from 11 to 20.