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A "Stencil Method" for Solving Quadratics of the Type ax2+bx+c=0 That Have Real Roots.
Peer reviewed Peer reviewed
Smith, Brother Albertus – Mathematics Teacher, 1979
A "lab method" for solving quadratic equations is presented. Suggestions for applying the method in the classroom are given. (MK)
Descriptors: Activities, Algebra, Mathematics Curriculum, Mathematics Instruction
Activities: Sectioning a Regular Tetrahedron.
Peer reviewed Peer reviewed
Maletsky, Evan M., Ed.; And Others – Mathematics Teacher, 1980
Worksheets are provided for use by students in grades 8 and above when sectioning a tetrahedron. Lesson objectives include the discovery of generalizations regarding the cross-sections of a tetrahedron. (MK)
Descriptors: Activities, Generalization, Geometric Concepts, Geometry
Fractions on the Geoboard.
Peer reviewed Peer reviewed
Watkins, Ann E.; Watkins, William – Mathematics Teacher, 1980
A geometric model used to teach properties of rational numbers to college students is described. (MK)
Descriptors: Activities, Fractions, Higher Education, Manipulative Materials
Sharing Teaching Ideas.
Peer reviewed Peer reviewed
Mathematics Teacher, 1979
Four ideas for the teaching of mathematics topics are suggested. The suggestions are: "To Prove or Not to Prove--That Is the Question"; "Fun at Christmastime"; "A Simple Technique for Factoring Trinomials"; and "An Alternate Method for Factoring" Quadratic Trinomials." (MK)
Descriptors: Activities, Mathematics Curriculum, Mathematics Instruction, Puzzles
Perimeters of Polygons on the Geoboard.
Peer reviewed Peer reviewed
Smith, Lyle R. – Mathematics Teacher, 1980
Using a geoboard to find polygons with given perimeters presents a problem which refines skills and provides an opportunity to inquire and discover. (MK)
Descriptors: Activities, Discovery Learning, Generalization, Geometric Concepts
Activities from "Activities": An Annotated Bibliography.
Peer reviewed Peer reviewed
Hirsch, Christian R. – Mathematics Teacher, 1980
This annotated bibliography includes activities with calculators in the areas of computational skills, geometry, measurement, number pattern recognition, and probability. (MK)
Descriptors: Activities, Annotated Bibliographies, Calculators, Computation
Activities: Beyond the Usual Constructions.
Peer reviewed Peer reviewed
Melfried, Olson – Mathematics Teacher, 1980
Masters of worksheets which provide experience with nonstandard constructions are provided. (MK)
Descriptors: Activities, Geometric Concepts, Geometry, Manipulative Materials
Activities: Pie Packing.
Peer reviewed Peer reviewed
Maletsky, Evan M., Ed.; And Others – Mathematics Teacher, 1979
Teacher's guide and master work sheet are provided to be used to explore geometric properties within a problem-solving activitiy. (MK)
Descriptors: Activities, Geometric Concepts, Instructional Materials, Lesson Plans
Activities: Poinsot Stars.
Peer reviewed Peer reviewed
Hirsch, Christian R. – Mathematics Teacher, 1980
Worksheets for duplication are provided for this activity designed for students in grades 6-10. The objective of the activity is to have students discover generalizations about the patterns formed. (MK)
Descriptors: Activities, Algebra, Generalization, Geometric Concepts