Title of Lesson: Solving Addition and Subtraction Equations (Mini-Lesson)

Date: October 17, 2008 Timeframe of Lesson: 1 class period (48 Minutes)

Author(s): Cliff Goodacre Jr

School District: Lomira School District Campus: Marian University – Fond du Lac

Subject Area(s): Mathematics - Algebra

Grade Level(s)/Course: 8th Grade

State Standards

Subject Specific: B.8.7: In problem solving situations, students will be able to select and use appropriate computational procedures with rational numbers using technology. F.8.2:Students will work with linear and nonlinear patterns and relationships representing them with algebraic expressions, equations, and inequalities.

Stated Objective(s)

Students will use equation mats and algebra tiles to model solving equations.

Procedures for Lesson

1)Warm-up Activity: Review of the previous day’s lesson – Writing Equations 2)Introduce Solving Addition and Subtraction Equations 3)Explain how algebra tiles can help 4)Proceed to Computer Lab to work on Interactive Algebra Tiles websites for interactive use in the classroom. 5)Ask students to share what they thought about using algebra tiles compared to the websites.

Assessment or Evaluation

Continually monitor student progress in the computer lab.Ask for volunteers to show answers and processes to the entire class. Assignment Pg. 127: #’s 1- 8 all

Enrichment

Pgs. 131 – 134 #’s: 16 – 50 evens, 58-61, 67, 68, 72, 78 This assignment will allow them to continue to explore the Interactive Algebra Tiles Website

Materials

Algebra Tiles Website, Alternative Algebra Tiles Website

## Interactive Algebra Tiles

Lesson PlanTimeframe of Lesson: 1 class period (48 Minutes)

Campus: Marian University – Fond du Lac

State Standards

B.8.7: In problem solving situations, students will be able to select and use appropriate computational procedures with rational numbers using technology.

F.8.2:Students will work with linear and nonlinear patterns and relationships representing them with algebraic expressions, equations, and inequalities.

2) Introduce Solving Addition and Subtraction Equations

3) Explain how algebra tiles can help

4) Proceed to Computer Lab to work on Interactive Algebra Tiles websites for interactive use in the classroom.

5) Ask students to share what they thought about using algebra tiles compared to the websites.

Continually monitor student progress in the computer lab. Ask for volunteers to show answers and processes to the entire class.Assignment Pg. 127: #’s 1- 8 allPgs. 131 – 134 #’s: 16 – 50 evens, 58-61, 67, 68, 72, 78This assignment will allow them to continue to explore the Interactive Algebra Tiles WebsiteAlgebra Tiles Website, Alternative Algebra Tiles WebsiteTechnology Resources:http://nlvm.usu.edu/en/NAV/frames_asid_189_g_4_t_2.html, http://my.hrw.com/math06_07/nsmedia/tools/Algebra_Tiles/Algebra_Tiles.htmlOther Resources:Glencoe Mathematics, Algebra 1 book