Solving Real-World Problems with Addition and Subtraction: An Application (Algebra I)

Here you'll apply the properties of addition and subtraction to solve real-world problems involving rational numbers.

This video demonstrates a sample use of solving real-world problems with addition and subtraction.

This is part of CK-12’s Algebra I: Real Numbers. See more at:

1. Properties of Rational Numbers:

2. Additive Inverses and Absolute Values:

3. Addition of Rational Numbers:

4. Rational Numbers in Applications:

5. Multiplication of Rational Numbers:

6. Division of Rational Numbers:

7. Mixed Numbers in Applications:

8. Distributive Property:

9. Square Roots and Irrational Numbers:

10. Properties of Rational Numbers versus Irrational Numbers:

11. Guess and Check, Work Backward: