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Number and Operation Sense

3.14156 and All That, Mar 1986, 226-227

200% of Nothing, Feb 1994, 132-133

An ABSOLUTE-ly VALUE-able Manipulative, Apr 1991, 303-307

Activities: Periodic Pictures, Feb 1987, 126-137

Archimedes' Pi-An Introduction to Iteration, Mar 1988, 208-210

Bingo Games: Turning Student Intuitions into Investigations in Probability and Number Sense. Mar. 2000, 200–206 (see also Oct. 2000, 577)

Casting Out Nines: An Explanation and Extensions, Nov 1990, 661-665

The Chain Letter: An Example of Exponential Growth, Feb 1987, 114-115

Computational Mathematics: An Introduction to Numerical Approximation, Feb 1987, 163

Curriculum and Evaluation Standards for School Mathematics: Developing Number Sense, Addenda Series, Grades 5-8, Dec 1991, 764

Determining &Atildex with Base-Ten Blocks-Do the Blocks Lie?, Jan 1987, 32-35

Geometric Patterns for Exponents, Dec 1992, 746-749

If the Product of Two Numbers Is Zero…, Feb 1994, 89

Images of Infinity, Mar 1989, 226

Infinite Sequences: A Logical (?) Extension, Mar 1992, 228-229

Infinity: The Twilight Zone of Mathematics, Apr 1989, 284-292

Innumeracy: Mathematical Illiteracy and Its Consequences, Oct 1989, 577-578

Mastering Mathematical Concepts, Jan 1987, 75

Mathematical Ideas, 5th ed, Nov 1986, 670

Mathematics for Liberal Arts: A Problem-Solving Approach, May 1987, 410-411

Microcomputer Unit: Generating Random Numbers, Feb 1986, 132-136

A Mindset for Math, Apr 1990, 333

New Questions about Numbers Outside the Mathematics Classroom, Mar 1986, 216-217, 208

Number Concepts and Operations in the Middle Grades, Mar 1989, 223-224

Number sense, Sep 1988, 437-440

The Odd-Numbered Magic Square, Feb 1989, 139-141

Patterns of Postage-Stamp Production, Mar 1992, 188-189

Pi Day, Feb 1994, 86-87

Pi in the Sky: Counting, Thinking, and Being, May 1993, 430

Powers of Ten: About the Relative Size of Things in the Universe, Sep 1995, 524-526

Pre-Algebra Topics: Exponents and Prime Numbers; Integers; Whole Numbers, Feb 1995, 149-150

Problems, Patterns, and Recreations, Oct 1994, 516-519

Reaching for Infinity: Puzzles, Paradoxes and Brain Teasers #3, Nov 1991, 679-680

A Simple Periodic Function, Nov 1986, 619-621

Teaching Difficult Problems Involving Absolute-Value Signs, May 1988, 373-374

Using Number Lines to Solve Difficult Absolute-Value Problems, Apr 1986, 260-263

Variations on a Well-Known Trick, Oct 1987, 586-590

Visual Thinking and Number Relationships, Apr 1988, 267-272

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