1 computer-assisted learning for mathematical problem solving source: computers and education,...

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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