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Nelson Education > School > Mathematics K-8 > Mathematics 4 > Parent Centre > Surf for More Math > Chapter 12 Lesson 10
 

Lesson 10 - Add and Subtract Hundredths

To encourage your child to have fun on the Web while learning about Add and Subtract Hundredths, here is an interactive activity they can do on their own or in pairs.

Goal

Add and subtract decimal hundredths using grids and calculators.

Builds Upon

Student Book pages 344-345

 

Instructions for Use

Base Ten Blocks allows your child to add and subtract decimal hundredths.  

To use Base Ten Blocks, click the place value backdrop to allow your child to work with decimal numbers. In this case, the red block represents a 1, the blue one a tenth of that or 0.1, and the green one represents a hundredth or 0.01. 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. Click on the tools on the top panel to select and drag, rotate, lasso blocks to group them, break larger blocks to form the next size down, or glue smaller blocks to form the next size up. To remove a block, drag it to the recycling bin.

 

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