Download - Pre-Alg 2.15 Adding & Subtracting Equations
Transcript
Pre-Algebra
Lesson 2.15
Addition & Subtraction Applications
http://www.youtube.com/watch?v=Aay0fAXSOsM
Word problems
Why do we need to practice word problems?
32/$4 = 16/$2.75
x/2 = 6
In a perfect place...
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...
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
What Ms. Vallejo Does...
1. Draw/Write
2. Form
3. Solve
4. Check
SMOTD
1. Draw/Write
2. Form
3. Solve
4. Check
1. Draw/Write
2. Form
3. Solve
4. Check
1. Draw/Write
2. Form
3. Solve
4. Check