Course 1: Chapter 3 Lesson 5
Course 2: page 559 (Prerequisite Skill)
Pre-Algebra- not included.
Class Notes Adding and Subtracting Decimals
If you need more help after watching these videos, write a comment and I’ll make sure you get the assistance you need.
A very short, fast-paced video presentation of adding and subtracting decimals. Numbers are italicized so look somewhat slanted in columns.
Step by step guide for adding decimals.
How to subtract decimals-easy to do problems with no complications
How to subtract decimals when the top number isn’t as long as the bottom number: (I’m really impressed with this video.)
Watch this video if borrowing during subtraction messes you up!
Saving the best for last: (for the toughest subtraction problems).
Note: I did not teach subtraction this way; however CF did ask about this way in the 5th period. It is perfectly valid, and it gives you one more choice.
Now that you’ve learned about adding and subtracting decimals,
go here to play some decimal games www.mrnussbaum.com
