Teaching Algebra with Manipulatives

Chapter 12 Teaching Notes and Overview
Mini-Project
Probability
(p. 294 of this booklet)
Use With Lesson 12-8.
Objective Make predictions using probability.
Materials
provide the following for each group:
5 coins
2 dice
deck of 52 cards
“bag” of 6 red chips, 2 white chips, 1 blue chip
Discuss the example and the completion of the
chart as a class. Then give each group the
materials necessary to complete this activity on
making predictions using probability. As soon
as the groups have finished Exercises 1–2,
compare both your results and the class average
to your prediction. Then have each group
complete Exercise 3. Discuss both Situations
1 and 2 as a class. Have students read and
discuss their conclusions based on their own
results, the class average, and the predicted
probability.
Answers
1–3. See students’ work.
Algebra Activity
Recording Sheet
Simulations
(p. 295 of this booklet)
Use With Lesson 12-8 as an extension activity.
This corresponds to the activity on page 681 in
the Student Edition.
Objective Use a simulation to solve a real-life
situation.
Material
provide die for each group
This activity deals with using probability to
conduct a simulation to solve a problem.
Students are given a cereal problem. They work
in pairs to Collect the Data by following a fourstep
process. Next, the groups begin to Analyze
the Data by creating two different statistical
graphs. Then students find the mean, median,
maximum, minimum, and standard deviation of
the data. Next, the groups combine their
results. The remaining exercises require
students to Make a Conjecture about further
investigations of the data with defined
alterations. You may want to discuss the work
after the groups have completed Exercises 1–3
and then after Exercises 4–7.
Answers
See Teacher Wraparound Edition p. 681.
Algebra 2—Chapter 12
© Glencoe/McGraw-Hill 289 Teaching Algebra with Manipulatives