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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

Showing all 9 results
Activities: Polygons Made to Order.
Peer reviewed Peer reviewed
Hirsch, Christian R., Ed.; And Others – Mathematics Teacher, 1987
Drawing accurate regular polygons with a specified edge length is the focus of three activities. Angle measurement and related geometric concepts are reinforced with three worksheets. (MNS)
Descriptors: Geometric Concepts, Geometric Constructions, Instructional Materials, Learning Activities
Activities: Periodic Pictures.
Peer reviewed Peer reviewed
Hirsch, Christian R., Ed.; And Others – Mathematics Teacher, 1987
Activities to extend the core curriculum through the study of the periodicity of rational numbers to help students develop calculator and research skills are presented. Four worksheets are included, to be used as discovery activities. A computer program is listed, as well as examples of periodic pictures. (MNS)
Descriptors: Calculators, Computer Software, Discovery Learning, Instructional Materials
Activities: Estimating with "Nice" Fractions.
Peer reviewed Peer reviewed
Hirsch, Christian R., Ed.; And Others – Mathematics Teacher, 1986
Using four activity sheets, students learn to identify fractions that are easy to use in estimation situations. (MNS)
Descriptors: Estimation (Mathematics), Fractions, Instructional Materials, Learning Activities
Activities: Microcomputer Unit: Graphing Parabolas.
Peer reviewed Peer reviewed
Hirsch, Christian R., Ed.; And Others – Mathematics Teacher, 1986
Activities for investigating how the value of a variable in an equation affects the direction and shape of the graph are given. A computer program and three worksheets are included. (MNS)
Descriptors: Computer Software, Equations (Mathematics), Graphs, Learning Activities
Activities.
Peer reviewed Peer reviewed
Hirsch, Christian R., Ed. – Mathematics Teacher, 1986
Stressed is a conceptual approach to absolute value, based on the visualization of the graphs of absolute-value equations. An important by-product is predicting a graph on the basis of certain constraints. Four worksheets plus teacher comments are included. (MNS)
Descriptors: Algebra, Computer Software, Graphs, Instructional Materials
Activities.
Peer reviewed Peer reviewed
Hirsch, Christian R., Ed.; And Others – Mathematics Teacher, 1987
Provides mathematical activities in reproducible formats appropriate for students in grades 7-12. The objective is to practice using area models in analyzing compound situations and calculating the expected value or long-term average. (PK)
Descriptors: Class Activities, Expectation, Games, Mathematical Models
Activities.
Peer reviewed Peer reviewed
Hirsch, Christian R., Ed.; And Others – Mathematics Teacher, 1987
This section provides mathematical activities in reproducible formats appropriate for students in grades 8-10. The activity is designed to provide an experience in model building while developing the concept of slope. (PK)
Descriptors: Class Activities, Graphs, Instructional Materials, Mathematical Applications
Activities.
Peer reviewed Peer reviewed
Hirsch, Christian R., Ed.; And Others – Mathematics Teacher, 1987
An activity is described as an example of an application that draws on the behavior of current in electrical circuits to create a symbolic algebra. Five worksheets are included, with discussion of their use. (MNS)
Descriptors: Algebra, Interdisciplinary Approach, Learning Activities, Mathematical Applications
Activities.
Peer reviewed Peer reviewed
Hirsch, Christian R., Ed.; And Others – Mathematics Teacher, 1987
Three worksheets and teachers' notes for grades 8-12 are provided on symmetry. (MNS)
Descriptors: Geometric Concepts, Instructional Materials, Learning Activities, Mathematics Instruction