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Nelson Education > School > Mathematics K-8 > Mathematics 5 > Teacher Centre > Surf for More Math > Chapter 9 Lesson 6

Surf for More Math

Lesson 6 - Choosing a Multiplication Method


To encourage students to have fun on the Web while learning about Choosing a Multiplication Method, here are some games and interactive activities they can do on their own or in pairs.


Justify the choice of a multiplication method.

Builds Upon

Student Book page 260


Instructions for Use

Interactive Calculator allows students to practice a method to multiplying decimals.

To use the Interactive Calculator, start by pressing any decimal tenth - try 0.4. This number will appear in the window of the calculator. Press the 'X' button on the calculator, and press 12. Press the ' =' button on the calculator to show the answer.


Base Ten Blocks allows students to visualize the area represented by the multiplication of the two decimals.

To use Base Ten Blocks, click the place value backdrop to decimals. Click on a block and drag it into the workspace. Select a block by clicking on it. Once selected, the block can be moved to any location on the workspace. To remove a block, drag it to the recycling bin. Click on the tools on the top panel to select and drag, rotate, lasso blocks to group them, break larger blocks into the next size down, or glue smaller blocks to form the next size up.