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 Mathematical Formulas 10 Mathematics Skills 10 Mathematical Concepts 5 Mathematics Instruction 5 Secondary School Mathematics 5 Problem Solving 4 Secondary Education 4 Graphs 3 Mathematics Activities 3 Teaching Methods 3 Algebra 2 More ▼
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Peer reviewed
McGraw, Rebecca – Mathematics Teacher, 2017
The task shared in this article provides geometry students with opportunities to recall and use basic geometry vocabulary, extend their knowledge of area relationships, and create area formulas. It is characterized by reasoning and sense making (NCTM 2009) and the "Construct viable arguments and critique the reasoning of others"…
Descriptors: Mathematics Education, Geometric Concepts, Mathematical Formulas, Mathematics Skills
Peer reviewed
McDowell, Eric L. – Mathematics Teacher, 2016
By the time they reach middle school, all students have been taught to add fractions. However, not all have "learned" to add fractions. The common mistake in adding fractions is to report that a/b + c/d is equal to (a + c)/(b + d). It is certainly necessary to correct this mistake when a student makes it. However, this occasion also…
Descriptors: Fractions, Number Systems, Number Concepts, Numbers
Peer reviewed
Bu, Lingguo – Mathematics Teacher, 2013
Many preservice teachers come into teacher education programs with a rule-based view of mathematics, a view that is to a large extent indicative of their previous school experiences. In teaching preservice elementary school teachers, this author has used his instrumental understanding as the starting point for rich discussions about the…
Descriptors: Preservice Teachers, Student Teacher Attitudes, Mathematics Instruction, Elementary School Mathematics
Peer reviewed
Bayes's theorem is notorious for being a difficult topic to learn and to teach. Problems involving Bayes's theorem (either implicitly or explicitly) generally involve calculations based on two or more given probabilities and their complements. Further, a correct solution depends on students' ability to interpret the problem correctly. Most people…
Descriptors: Critical Thinking, Probability, Mathematical Logic, Mathematics Skills
Peer reviewed
Zullo, Holly S. – Mathematics Teacher, 2011
Card tricks based on mathematical principles can be a great way to get students interested in exploring some important mathematical ideas. In this article, the author discusses a simple spreadsheet implementation that shows students why the card trick works and allows them to explore several variations. As an added bonus, students are introduced…
Descriptors: Mathematical Concepts, Teaching Methods, Mathematics Activities, Mathematics Instruction
Peer reviewed
Kader, Gary D.; Franklin, Christine A. – Mathematics Teacher, 2008
This article describes an activity for developing the notion of association between two quantitative variables. By exploring a collection of scatter plots, the authors propose a nonstandard "intuitive" measure of association; and by examining properties of this measure, they develop the more standard measure, Pearson's Correlation Coefficient. The…
Descriptors: Correlation, Mathematics Instruction, Measurement Techniques, Statistics
Peer reviewed
DeTemple, Duane W. – Mathematics Teacher, 1990
Describes how to get equations for parabolas, ellipses, and hyperbolas from conic sections. Provides diagrams both in perspective and in cross-section for each case. (YP)
Descriptors: Equations (Mathematics), Geometric Concepts, Geometric Constructions, Geometry
Peer reviewed
Demana, Franklin; Waits, Bert K. – Mathematics Teacher, 1990
Discussed are assumptions about technology and classroom equipment, teaching methods, getting started, pitfalls, and the role of algebra and calculus. Suggestions are given for implementing the spirit and vision of the standards. (YP)
Descriptors: Algebra, Computer Uses in Education, Educational Technology, Graphing Calculators
Peer reviewed
Ulep, Soledad A. – Mathematics Teacher, 1990
Discusses solving inequality problems involving linear programing. Describes the usual and alternative approaches. Presents an intuitive approach for finding a feasible solution by maximizing the objective function. (YP)
Descriptors: Algebra, Graphs, Inequality (Mathematics), Mathematical Formulas
Peer reviewed
Gantner, Thomas E. – Mathematics Teacher, 1990
Presents two methods for replacing a series by one converging more rapidly: regrouping the terms of a series and manipulations of power series. Describes a general algorithm for approximating the natural logarithm of any number. (YP)
Descriptors: Algorithms, Logarithms, Mathematical Concepts, Mathematical Formulas