Activities for providing practice in estimating sums and products using calculators are presented. Worksheets are included. (MN)

An activity involving totaling bills, completing checks and check stubs, and determining bank balances is described. (JT)

Many activities are described for teaching two fundamental concepts concerning one-half. These concepts are one-half of a number and one-half of the size. (JT)

Four worksheets are designed to provide practice with addition, subtraction, and multiplication of whole numbers and decimals. (JT)

Included are brief reports on an algebra quiz in a menu format; two activity sheets on base two; and an alternative method of teaching least common multiple and greatest common factor, and related ideas, with six lessons outlined. (MNS)

Simple patterns both in mathematics and music are discussed. Several activities using standard instruments and handmade devices are described. (MNS)

Fifteen mathematical puzzles and problems are presented. Areas investigated include pentominoes, arithmetic, fractions, and dissections (dissecting) a shape into two pieces that can be fitted together to form a square. Answers for each puzzle and problems are included. (JN)

Discusses strategies used to teach fractions to 9- to 11-year-old deaf children during a four-month period, in 30-minute sessions meeting two or three times a week. Fraction work was taught while other topics were covered. The primary form of communication used was Signing Exact English. (JN)

Scavenger hunt activities for a range of mathematical topics are presented. Numbers, measurements, fractions, and geometry are among the topics included for the 14 types of hunts described. (MNS)

A variation of a commercial game is described; it helps students practice computation with decimals. The rules are presented, with special cards pictured. (MNS)

Some methods for teaching fractions are presented. (DT)

Four reasons for teaching fractions to children are discussed. (DT)

Paper folding and coloring activities are presented which involve the use of rectangular and square regions as models for basic fraction concepts. Rules for a fraction game also are included. (DT)

This paper describes the Rational Number Project (RNP), teaching experiments concerned with the teaching and learning of fractions among 4th and 5th grade students. Interviews with 4th grade students who used the RNP curriculum and with students who used a traditional curriculum were conducted by RNP staff as well as classroom teachers. This paper…

The development of proportional reasoning is a major focus of the middle grades curriculum. The challenge for educators is to find contexts that engage students and that facilitate the study of proportional reasoning. This chapter explores proportional thinking with students in grades 3-8 by using a number of books in which the underlying stories…