1. Pre-Algebra
Lesson 2.15
Addition & Subtraction
Applications

2. http://www.youtube.com/watch?v=Aay0fAXSOsM

3. Wordproblems

4. Why do we need to practice word problems?

5. 32/$4 = 16/$2.75
x/2 = 6
In a perfect place...

6. Which is a better
value? A 32 oz. bag
for $4 or a 16 oz bag
for $2.75?
If 2 bags costs $6,
how much does 1
bag cost?
In real life...

8. Write and simplify a numerical expression.
Subtract 12.5 from -3.8
Write an equation to represent this sentence.
When 4 is added to a number,
the result is 11.5

10. What Ms. Vallejo Does...
1. Draw/Write
2. Form
3. Solve
4. Check
SMOTD

11. 1. Draw/Write
2. Form
3. Solve
4. Check

12. 1. Draw/Write
2. Form
3. Solve
4. Check

13. 1. Draw/Write
2. Form
3. Solve
4. Check