Chapter 4 Focuses on the skill of multiplying decimals. The common core standards met are CC5.NBT.2 and CC5.NBT.7. Use the following links and videos to help you learn and practice these skills.
Multiplying Decimals by a Power of Ten:
Mathsteacher.com teaches how to multiply decimals by a power of ten with clear step-by-step instructions. You may also watch the two following videos.
Multiply Decimals by a Whole Number:
There is a great video tutorial on this and other skills at Virtual Nerd. You may also look at examples of these types of problems on mathsteacher.com.
Multiply a Decimal by a Decimal:
Learn about multiplying a decimal by a decimal on the website Math is Fun. You can also watch a video on the website Math Playground.