Use the following links to help familarize yourself with math concepts we are covering in class throughout unit 1.  

 

https://www.khanacademy.org/math/cc-fourth-grade-math/cc-5th-place-value-rounding-topi

 

After viewing video 1:

Use your reference book to identify standard form and expanded form.  How are these forms different?  How are they similar?  

How would you write a number in number-word formation?  

 

After viewing video 2:

How do you write a number in written form?  What is different between written form and number-word formation?  

Where do you place commas and hypens?  How can you check your work?