November 17, 2011
Multiplying Decimals
Using Base Ten Blocks
November 17, 2011
Recall how to multiply 2 whole numbers using Base Ten Blocks.
Represent 20 x 16 using Base Ten Blocks below:
November 17, 2011
We can also use Base Ten Blocks to multiply 2 decimals
Flat represents
Rod represents
Small Cube represents
November 17, 2011
We are going to go over 2 different ways to find the area of the park.
Example
A rectangle park measures 1.7 km by 2.5 km.
Method 1: Use Base Ten Blocks
Tools
November 17, 2011
Use Base Ten Blocks to find the product below
1.6 x 1.2
Tools
November 17, 2011
Use Base Ten Blocks to find the product below
2.2 x 1.3
Tools
November 17, 2011
Use Base Ten Blocks to find the product below
2.4 x 1.5
Tools
November 17, 2011
Write the product that the picture represents.
November 17, 2011
Questions??