Discoveries of Charles Babbage in the 1800s are described. Origins of the difference engine, his calculating machine, the principles of computation applied to tables, and the design and construction of his engine are included. (MNS)

Using license plates and telephone numbers for teaching probability ideas involving counting rules is suggested. How each is useful is illustrated in some detail. (MNS)

A method is described for finding the two numbers which will form a linear combination with two given numbers a and b yielding the greatest common divisor of a and b. (DT)

Aimed at students who love math as well as those who dread it, this book adds another dimension to the abstract nature of numbers. Using words and pictures, teachers can help children make the connection between mathematics and their everyday routines and observations. This book includes: (1) 20 illustrated poems; (2) math practice with sorting,…

This project, an example of teacher action research awarded an SCRE Practitioner Award in 2002, considers a program for nursery staff development based around the number and mathematical strands contained in the Knowledge and Understanding section of "A Curriculum Framework for Children 3 to 5". This work was part of the Nursery's Development…

This paper suggests that many adult learners lack the skill of reading and writing larger numbers. Two Ovid computer searches of the ERIC (Educational Resources and Information Center) database are used to provide the background research. Issues in and teaching methods of reading and writing larger numbers, particularly a language-symbol approach,…

The problem of getting a correct result when a fraction is reduced by cancelling a digit which appears in both the numerator and the denominator is extended from the base ten situation to any number base. (DT)