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Numbers, Number Systems, Number Theory

Acting Out Numbers, Jan 1990, 6-9

Anno's Mysterious Multiplying Jar, May 1984, 32

Base Ten Blocks, Feb 1993, 366-367

Block It, An Instructional Game, May 1988, 40

A Book, a Bed, a Bag: Interactive Homework for "10"!, Jan 1995, 262-66

Building Understanding with Blocks, Oct 1986, 5-11

By Way of Introduction, Feb 1984, 1

Calculator Wipeout, Sep 1991, 60

Calendar Mathematics:See How They Grow, Apr 1992, 26-27

Clock Beaters, Sep 1986, 20

Computer Corner, Dec 1986, 34-35

Computer Corner, Jan 1987, 36-37

Computer Corner: A Generalizable Teaching Strategy, May 1984, 28-29

Cross-Numeral Roman, Mar 1984, 57, 59

Curricular Issues: Teaching Rational Numbers, Feb 1984, 14-17

Divisibility-Another Route, Mar 1984, 55-56

Don't Be Blue, Number Two, Sep 1986, 42-45

En-chanting, Fascinating, Useful Number, Apr 1995, 486-91

Exploring Interplanetary Algebra to Understand Earthly Mathematics, Oct 1998, 78–83

The Factor Pack, Dec 1990, 61

Factoring Whole Numbers, Oct 1985, 49-50

Factors and Primes with a T Square, Apr 1987, 34

Fascinating Fibonaccis: Mystery and Magic in Numbers, Feb 1989, 65

Fibonacci Numbers in Nature, Oct 1989, 55

Foliage Factors, Apr 1992, 46

Games and Activities with Base-Ten Blocks: Books 1 and 2, Nov 1988, 62-63

Geometric Figures Make the LCM Obvious, Mar 1987, 17-18

Grade-Number Themes for High-Profile Math, Dec 1994, 234-241

Greatest Common Factor and Least Common Multiple, Apr 1984, 43-44

Helping Students Understand Place Value, Mar 1991, 10-13

A Historical Reconstruction of Our Number System, Mar 1991, 46-48

How Old Do You Want to Be?, Nov 1994, 184-87

Hula-Hoop Math, Oct 1983, 44-45

The Human Computer (Nudging Along Together), Mar 1985, 24-25

Ideas: Thanksgiving Themes, Nov 1986, 18-24

Ideas: Whole Number Numeration, Sep 1983, 27-32

Instructional Computing, Feb 1985, 27-30

The Integer Abacus, Mar 1984, 50-54

LCM-Let's Put It in Its Place, Nov 1987, 45-47

Learning about Odd and Even Numbers, Nov 1987, 18-21

Learning Place Value, Apr 1988, 62

Let's Do It: Partitioning Sets for Number Concepts, Place Value, and Long Division, Jan 1985, 6-11

Let's Do It: Punchy Mathematics, Oct 1983, 10-14

Magic with Magic Squares, Apr 1989, 44-49

Mathematics Appreciation, Feb 1987, 66-67

Mistakes in Mathematics-Terrible or Trivial?, Jan 1990, 34-37

More Magic with Palindromes, Nov 1985, 25

More Patterns with Square Numbers, Jan 1986, 40-42

Nominals: Numbers as Names, Dec 1995, 242-45

The Number Namer: An Aid to Understanding Place Value, Jan 1986, 24-28

Numberplay, Nov 1985, 55

Numbers and Codes in Ancient Peru: The Quipu, May 1992, 38-41

One Point of View: Helping Children Understand Rational Numbers, Feb 1984, 3

One Point of View: The Least Common Denominator, Dec 1991, 6-7

Palindromes and the Law of 11, Jan 1985, 46-47

A Piece of Pi, Jan 1984, 60

Place Value: A Vertical Perspective, May 1995, 542-46

Place Value as the Key to Teaching Decimal Operations, Apr 1997, 448-53

Place Value-Plus, Oct 1992, 130

Place-Value Wheels, May 1992, 50

Polygons, Stars, Circles, and Logo, May 1986, 6-11

Prime Rollers, May 1991, 48-49

Problem Solving: Tips for Teachers, Nov 1986, 27-29

Readers’ Exchange, Mar 1995, 406-7, 407, 428, Apr 1995, 472, 530-31

Readers' Exchange, Sep 1995, 58-59, Nov 1995, 203-4, Dec 1995, 253-54, Jan 1996, 258, 299

Readers' Exchange, Sep 1996, 5

Readers' Exchange, Sep 1997, 1, Feb 1998, 305

Readers' Exchange. May 2000, 541, 604

Reinforcing Place Value, Nov 1992, 169-171

Research into Practice, Feb 1988, 64-66

Research into Practice: Number Sense-Making, Feb 1994, 342-345

Research into Practice: Place Value and Addition and Subtraction, Jan 1994, 272-274

Results of the Fourth NAEP Assessment of Mathematics: Number, Operations, and Word Problems, Apr 1988, 14-19

Roman Numerals, Sep 1989, 52

Ryan's Primes, May 1997, 472-74

Searching for Patterns of Divisors, Dec 1984, 32-34

Shapes of Numbers: Cubes, Sep 1991, 60

Shapes of Numbers: (Hexagonal, Snowflakes), Jan 1988, 40

Shapes of Numbers: Triangles and Squares, Nov 1991, 24

Sleuth, May 1989, 34-35

Special Characteristics of Rational Numbers, Feb 1984, 10-12

Spy: A Teaching Resource of Fascinating Maths Investigations, Apr 1991, 58

Standards in the Methods Class, an Example, Sep 1992, 38-39

Teacher Education: Preparing Teachers to Teach Rational Numbers, Feb 1984, 54-56

Teacher to Teacher: A Number Line with Character, Mar 1994, 368-369

Teaching Mathematics with Technology, Nov 1987, 52-53

Teaching Mathematics with Technology, Dec 1987, 35-37

Teaching Mathematics with Technology, Jan 1988, 36-38

Teaching Place Value and Double-Column Addition, Feb 1988, 48-52

Teaching Rational Numbers-Primary Grades, Feb 1984, 36-39

Teaching the Most Basic Basic, Sep 1984, 20-25

Ten Often Ignored Applications of Rational-Number Concepts, Feb 1984, 48-50

A Test for Divisibility by Primes, Oct 1985, 36-38

Thou Shalt Not Divide by Zero, Mar 1990, 50-51

Up and Down Like a Hailstone in a Storm Cloud, Nov 1987, 54-55

Using English Sentences and Pictures for Practice in Mathematics, Sep 1984, 34-38

What Research Says, Feb 1984, 34-35, 46

Writing Numbers II, Jan 1989, 40

Zero: Is It Something? Is It Nothing?, Apr 1990, 57

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