Teacher resources and professional development across the curriculum

Teacher professional development and classroom resources across the curriculum

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Insights Into Algebra 1 - Teaching For Learning
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Topic Overview Lesson Plans Student Work Teaching Strategies Resources
Workshop 5 Properties Lesson Plans
Lesson Plans:

Introduction

Lesson Plan 1: The X Factor - Trinomials and Algebra Tiles

Lesson Plan 2: Curses and Re-Curses! It's Happening Again.
Download the Workshop 5 Guide


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Graphing Calculator
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NCTM Standards


Lesson Plan 1: The X Factor - Trinomials and Algebra Tiles

Overview Procedures For Teachers Related Standardized Test Questions Materials

Overview:
This lesson will teach students to factor trinomial expressions of the form x2 + bx + c. Students will use algebra tiles to identify the binomial factors and the graphing calculator to verify the result. In addition, students will identify the x-intercepts and y-intercepts of each trinomial function and explore relationships between the trinomial x2 + bx + c and its factored form
(x + m)(x + n).

Time Allotment:
One 50-minute class period

Subject Matter:
Factoring


Learning Objectives:
Students will be able to:
  • Factor trinomials of the form x2 + bx + c into two binomial factors.
  • Identify the relationships that exist between b, c, m, and n when x2 + bx + c is factored as (x + m)(x + n).
Standards:

Principles and Standards for School Mathematics, National Council of Teachers of Mathematics (NCTM), 2000.

NCTM Algebra Standard for Grades 6-8
http://standards.nctm.org/document/chapter6/alg.htm

NCTM Algebra Standard for Grades 9-12
http://standards.nctm.org/document/chapter7/alg.htm


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