Exploring Quadratic Patterns and Functions

 
1
 
Algebra through the
Lens of Functions
Quadratic Patterns
 
Introducing Quadratic Functions
 
Prior Knowledge
 
Exploration of linear patterns
Creating and interpreting graphs of linear functions
Critical points of a linear function
Understanding of a variable and constant
Rate of change of a linear function
 
Prior Knowledge
 
Exploration of linear patterns:
Expressions
Equivalence
Distribution
Multiple Representations
 
Activity
 
How many blocks in the 50th stage?
 
Activity
 
How many blocks in the 50th stage?
 
Activity - Solutions
 
How many blocks in the 50th stage?
 
Activity - Solutions
 
How many blocks in the 50th stage?
Stage 1
 
Stage 2
 
Stage 3
 
 ….. 
 
Stage 50
3x4, 
  
4x5,   
 
5x6,
  
 ….. 
 
52x53 = 2756 blocks
 
 
Activity - Solutions
 
Stage 1
 
Stage 2
 
Stage 3
 
Stage 50
1x1,  
  
2x2,  
  
3x3 …… 
 
50x50
2x1   
  
2x2   
  
2x3        
 
 2x50
1x3   
  
2x3   
  
3x3         
 
50x3
2x3   
  
2x3   
  
2x3         
 
2x3
      
=2756 blocks
 
Multiple Representations
 
https://www.geogebra.org/classic/zfxp4kdg
 
Activity - Extensions
 
Which stage has 90 squares?
 
Activity - General
 
Which stage has n squares?
b=(s+2)(s+3)
b = s
2
+5s + 6
 
 
Future Learning
Solving Quadratic Equations
 
Key Features of Quadratic Functions
Graphical Solutions to Algebraic Inequalities
Analysing the Table of Values of Quadratic
Functions in Greater Depth
 
 
Quadratic Patterns
 
Summary
 
1.
Students are introduced to new algebraic procedure through the
exploration of patterns.
2.
Students see the need for new strategies.
3.
Students make sense of their learning.
4.
Students maintain a positive disposition to their mathematics.
 
 
 
Transformations of Quadratic Patterns
Transformations
Student’s expressions:
b = s
2
+5s + 6
b=(s+2)(s+3)
 
What would happen if we:
add 2 blocks to each stage?
double the amount of blocks in the pattern?
add 2 to our stage number?
What would happen if we added 2 blocks to each stage?
Changing the output
Adding a constant
Student original expressions:
b = s
2
+5s + 6
b=(s+2)(s+3)
 
https://www.geogebra.org/classic/nbnhsqcp
What would happen if we doubled the amount of blocks in the
pattern?
Changing the output
Multiplying by a constant
Student original expressions:
b = s
2
+5s + 6
b=(s+2)(s+3)
 
b=2(s+2)(s+3)
b=2(s
2
+5s+6)
What would happen if we add 2 to our stage number?
Changing the input (stage number)
Student original expressions:
b = s
2
+5s + 6
b=(s+2)(s+3)
 
b=(s+4)(s+5)
b=(s+2)
2
+5(s+2)+6
 
Transformation of continuous functions
 
https://www.geogebra.org/m/zj5ryyUp
 
 
 
 
https://www.geogebra.org/classic/a6cddta6
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Uncover the world of quadratic patterns, functions, and solutions through engaging activities and visual representations. Dive deep into the realm of algebra as you analyze graphs, interpret equations, and discover key features of quadratic functions. Prepare for future learning by mastering essential concepts and exploring various representations of quadratic equations.

  • Algebra
  • Quadratic Functions
  • Patterns
  • Graphical Solutions
  • Mathematical Analysis

Uploaded on Feb 19, 2025 | 1 Views


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Presentation Transcript


  1. Algebra through the Lens of Functions Quadratic Patterns 1

  2. Introducing Quadratic Functions

  3. Prior Knowledge Exploration of linear patterns Creating and interpreting graphs of linear functions Critical points of a linear function Understanding of a variable and constant Rate of change of a linear function

  4. Prior Knowledge Exploration of linear patterns: Expressions Equivalence Distribution Multiple Representations

  5. Activity How many blocks in the 50th stage?

  6. Activity How many blocks in the 50th stage?

  7. Activity - Solutions How many blocks in the 50th stage?

  8. Activity - Solutions How many blocks in the 50th stage? Stage 1 Stage 2 Stage 3 .. Stage 50 3x4, 4x5, 5x6, .. 52x53 = 2756 blocks

  9. Activity - Solutions Stage 1 1x1, 2x1 1x3 2x3 Stage 2 2x2, 2x2 2x3 2x3 Stage 3 3x3 2x3 3x3 2x3 Stage 50 50x50 2x50 50x3 2x3 =2756 blocks

  10. Multiple Representations https://www.geogebra.org/classic/zfxp4kdg

  11. Activity - Extensions Which stage has 90 squares?

  12. Activity - General Which stage has n squares? b=(s+2)(s+3) b = s2+5s + 6

  13. Future Learning Solving Quadratic Equations Key Features of Quadratic Functions Graphical Solutions to Algebraic Inequalities Analysing the Table of Values of Quadratic Functions in Greater Depth

  14. Quadratic Patterns

  15. Summary 1. Students are introduced to new algebraic procedure through the exploration of patterns. 2. Students see the need for new strategies. 3. Students make sense of their learning. 4. Students maintain a positive disposition to their mathematics.

  16. Transformations of Quadratic Patterns

  17. Transformations Student s expressions: b = s2+5s + 6 b=(s+2)(s+3) What would happen if we: add 2 blocks to each stage? double the amount of blocks in the pattern? add 2 to our stage number?

  18. Changing the output Adding a constant Student original expressions: b = s2+5s + 6 b=(s+2)(s+3) What would happen if we added 2 blocks to each stage? https://www.geogebra.org/classic/nbnhsqcp

  19. Changing the output Multiplying by a constant Student original expressions: b = s2+5s + 6 b=(s+2)(s+3) What would happen if we doubled the amount of blocks in the pattern? b=2(s+2)(s+3) b=2(s2+5s+6)

  20. Changing the input (stage number) Student original expressions: b = s2+5s + 6 b=(s+2)(s+3) What would happen if we add 2 to our stage number? b=(s+4)(s+5) b=(s+2)2+5(s+2)+6

  21. Transformation of continuous functions https://www.geogebra.org/m/zj5ryyUp https://www.geogebra.org/classic/a6cddta6

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