1 computer-assisted learning for mathematical problem solving source: computers and education,...
TRANSCRIPT
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Computer-assisted learning for mathematical problem solving
Source: Computers and Education, Vol.46, February, 2006 , pp. 140-151
Author: Chang, Kuo-En; Sung, Yao-Ting; Lin, Shiu-Feng
Date: 2006/02/23Speaker: MeiYu Lin
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outline
IntroductionSchema and solution tree System outlineExperiment and ResultsConclusions
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Introduction
The problems of previous schema entire procedure of problem solving The systems have not been investigated
empirically
purpose Comparing problem-solving ability helped students with their problem solving
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Schema and solution tree
schema
solution tree
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System outline 1/4
Four steps (1)understanding the problem
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System outline 2/4
Four steps (2)making a plan
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System outline 3/4
Four steps (3)executing the plan
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System outline 4/4
Four steps (4)reviewing the solution
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Experiment and Results 1/3
Participants 132 fifth-grade students(11 years old in averag
e) selected 49 students as participants
‘‘mathematical problem-solving pretest’’ were lower than 10
Chinese and mathematics for the second semester of the fifth grade were lower than 60 points
25 students in the control group 24 students in the experimental group
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Experiment and Results 2/3
Procedures
spanned 6 weeks, one pretest, one post-test and eight problem-solving practice sessions (twice a week, 40 min each)
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Experiment and Results 3/3
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Conclusions
evaluated by actual use in the classroomhighlighting, visualized representation, sol
ution review and other assistance in the problem-solving procedure