Teaching Algebra with Manipulatives

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Chapter 12 Teaching Notes and Overview Algebra Activity Recording Sheet Testing Hypotheses (p. 296 of this booklet) Use With Lesson 12-9 as an extension activity. This corresponds to the activity on page 686 in the Student Edition. Objective Test a hypothesis to determine whether it is true or false using a five-step process. Materials ruler* clock * available in Overhead Manipulative Resources Go over the five-step process for testing a hypothesis. Then follow the process spelled out under Collect the Data. The hypothesis tested: People react to sound and touch at the same rate. Half of the class will investigate the time it takes to react when someone is told the ruler has dropped. The other half will measure the time it takes to react when the catcher is alerted by touch. Ask students to work in groups to complete Exercises 1–3. As soon as they complete these exercises, discuss the answers. Exercise 4 deals with designing an experiment to test a given hypothesis. They may need assistance. Emphasize the importance of following the fivestep process for testing a hypothesis. Have the groups share and exchange their findings. Answers See Teacher Wraparound Edition p. 686. © Glencoe/McGraw-Hill 290 Teaching Algebra with Manipulatives
Area Diagrams NAME ______________________________________________ DATE ____________ PERIOD ____ Algebra Activity Recording Sheet (a reproduction of the activity on page 651 in Lesson 12-4 of the Student Edition) Materials: none Model and Analyze 1. Find the areas of rectangles A, B, C, and D, and explain what each area represents. 2. What is the probability of choosing a red paper clip and a silver paper clip? 3. What are the length and width of the whole square? What is the area? Why does the area need to have this value? 4. Make an area diagram that represents the probability of each outcome if you spin each spinner once. Label the diagram and describe what the area of each rectangle represents. Algebra 2—Chapter 12 © Glencoe/McGraw-Hill 291 Teaching Algebra with Manipulatives
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Teaching Algebra with Manipulatives
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Contents Easy-to-Make Manipulatives
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Algebra 1 Activities Page 14-5 Alge
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Glencoe Mathematics Manipulatives G
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Centimeter Grid Paper © Glencoe/Mc
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Coordinate Planes © Glencoe/McGraw
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Coordinate Planes for Trigonometric
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Conic Graph Paper (circles and line
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Algebra Tiles (units) 1 1 1 1 1 1 1
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Integer Models Summary There are tw
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Equation Models Summary A zero pair
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Equation Mat © Glencoe/McGraw-Hill
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Rectangular Dot Paper © Glencoe/Mc
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Problem Solving Guide Problem: Expl
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Die Patterns Cut along the heavy bl
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© Glencoe/McGraw-Hill 24 Teaching
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Chapter 1 Mini-Project Evaluating E
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Chapter 1 Teaching Notes and Overvi
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Using Overhead Manipulatives (Use w
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The Distributive Property Materials
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Investigating Real-World Functions
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NAME ______________________________
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Using Overhead Manipulatives • Re
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Using Overhead Manipulatives • Ha
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Formulas NAME _____________________
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Using Overhead Manipulatives Demons
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Using Logic NAME __________________
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Chapter 5 Using Overhead Manipulati
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Demonstration 2 Finding Slope: Zero
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Demonstration 2 Writing an Equation
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Making Predictions Materials: NAME
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23 22 21 20 NAME __________________
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Compound Inequalities (Continued) 1
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Absolute Value NAME _______________
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Chapter 8 Polynomials Teaching Note
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Factoring Trinomials Materials: NAM
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Factoring Trinomials x NAME _______
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Difference of Squares Materials: NA
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Demonstration 2 Factoring 4x 2 4x
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Factoring Trinomial Squares Figure
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Chapter 10 Quadratic and Exponentia
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Chapter 10 Teaching Notes and Overv
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Using Overhead Manipulatives • Ar
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Chapter 11 Radical Expressions and
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Chapter 12 Rational Expressions and
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Chapter 13 Statistics Teaching Note
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Analyze the Data 1. Cut out the gra
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Investigating Percentiles Materials
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Chapter 14 Teaching Notes and Overv
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Simulations NAME __________________
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Investigating Polygons and Patterns
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Chapter 2 Linear Relations and Func
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Factoring Trinomials Materials: NAM
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Page 267 and 268: Chapter 8 Conic Sections Teaching N
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Page 305 and 306: Chapter 13 Trigonometric Functions
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Page 309 and 310: Investigating Regular Polygons Usin
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Teaching Algebra with Manipulatives

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