Post on 23-Dec-2015
Simplifying Variable Expressions (Day 4 – The Distributive Property)
We are learning to…simplify variable expressions by combining like terms.
Wednesday, April 19, 2023
Simplify the expression:
2 3x We have 2 sets of…x + 3
Create a representation of the expression with Algebra Tiles
xx xx
Next…Organize your Algebra TilesWrite the expression in simplest form:
2x + 6
Simplify the expression:
23 1xy y We have 3 sets of…xy – y2 - 1
Create a representation of the expression with Algebra Tiles
Next…Organize your Algebra TilesWrite the expression in simplest form:
3xy - 3y2
y2y2xyxy y2y2
xyxy y2y2xyxy
- 3
Simplify the expression:
4 2 2x y x y We have 4 sets of…2x – y + x + 2y
Create a representation of the expression with Algebra Tiles
Next…Organize your Algebra Tiles
12x + 4y
xxyy
xx xxyy yy
xxyy
xx xxyy yy
xxyy
xx xxyy yy
xxyy
xx xxyy yy
Remove any “Zero Pairs”Write the expression in simplest form:
Critical Thinking Could we have done anything else to make
the process easier when simplifying? Discuss with your group, write down some ideas
and be ready to share your thoughts with the class.
Remove any “Zero Pairs”
Simplify the expression:
4 2 2x y x y We have 4 sets of…3x + y
Next…Organize your Algebra Tiles
12x + 4y
xxyy
xx xxyy yy
Write the expression in simplest form:
Create a representation of the expression with Algebra Tiles
xx xx xxyy
xx xx xxyy
xx xx xxyy
4 3x y
Critical Thinking Did you get the same solution? Why did this happen?
Discuss with your group and then write several complete sentences explaining how this happened.
Practice…• Now try some practice with your team.
• Directions:1. Read each expression carefully.
2. Use your Algebra Tiles to create a representation of the expression.
3. Organize your tiles as you draw your representation with Algebra Tiles.
4. Combine like terms in the expression and create zero pairs.
5. Write your simplified expression.