Calculator riddles can interest elementary students in math. Solving riddles where a numerical answer turned upside down reveals a word answer provides an amusing way to practice mathematical operations and learn about calculator functions. The paper explains how to create word riddles and includes student work pages. (SM)

One teacher's approach to the development of number sense while using calculators is outlined. The relationship between number sense and calculation is discussed. Teaching strategies and two worksheets used in this approach are presented. (CW)

Nine activities are presented in which the calculator can be used to create interest in the study of fractions. Estimation skills are emphasized. (MNS)

Activities featured in this new compendium--a collection of 26 articles published in Science Scope, NSTA's member journal for middle school teachers--will show how. Technology-Based Inquiry offers fresh approaches that teachers and students can use to explore physical science, Earth and space science, life science, and more. It covers the…

This collection of activities shows how teachers can help pupils develop problem-solving techniques or strategies using a basic four-function calculator. The techniques "look for a pattern,""make a chart or organized list," and "guess and check" are used repeatedly in activities that range from discovery to application to strategy games. The…

Four worksheets designed to be used with calculators are presented. For levels 1-2, counting is the focus; levels 3-4, estimation; levels 5-6, use of memory keys; and for levels 7-8, patterns. (MNS)

Described is a mathematics resource laboratory where students use a variety of computer materials to enhance, reinforce, and broaden their concepts of first- and second-year algebra and geometry. Included are sample laboratory sheets and the answers. (KR)