1LT W. Leung
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Math 7 - Module 2A - Lesson 7
Applying Rules of Addition and Subtraction to Rational Numbers
Pre-Algebra - 6.3 - Worked Out Problems
Going through and explaining how to solve the HW problems
Math 7 - Module 2A - Lesson 6
Using the (1-Dimensional) Distance Formula to find the distance between
two-points horizontally
or
two-points vertically
on a numberline
more practice with changing subtraction to "adding the additive inverse"
Pre-Algebra - 6.3 Converting Rates and Measurements
Convert Rates to Other Unit Measures
Math 7 - Module 2A - Lesson 5
How is Subtracting related to Addition?
What is the difference in showing Subtraction on a Number Line Vs. Addition on a Number Line?
Pre-Algebra - 6.2 Unit rates
Writing a Ratio as a Unit Rate
Comparing Unit Rates to See which is the better value
Using the Unit Rate to Compute new value
Math 7 - Module 2A - Lesson 4 Day 2
Adding Integers
1) With the SAME signs
2) With DIFFERENT signs
Math 7 - Module 2A - Lesson 4 Day 1
Use a Numberline and Vectors to Understand Adding Integers
Adding with the Same Signs
Positive + Positive
Negative + Negative
Adding with Different Signs
Is the Sum Positive or Negative?
