This manipulative model using counters involves balancing the number of counters on either side of the equals sign. (MP)

The use of two different colored beans or chips to represent positive and negative charges is discussed as a method of demonstrating operations with integers. (MP)

Forming whole numbers which read the same from left to right as from right to left is considered. A list of such numbers less than 1000 is included along with implications for instruction. (MN)

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

An instructional sequence in which number lines and beads are used to illustrate addition and subtraction of directed numbers is described. (SD)

An activity that offers computational practice, pattern recognition, and the formulation of generalizations is described. (JT)

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

Available from: Journal for Special Educators of the Mentally Retarded, 179 Sierra Vista Lane, Valley Cottage, New York 10989. Methods of teaching addition and number concepts to educable mentally retarded students through concrete objects, memory exercises, and clock arithmetic are discussed. (CL)

This study involved 48 students ages 9 to 12. The 29 experimental group students, divided into small groups, performed learning exercises designed to improve skills in analyzing and processing expressions frequently included in addition and multiplication problems. The exercises helped significantly to improve problem-solving performance. (MNS)

For special education teachers dealing with slow learners or learning disabled students, the paper describes teacher-made diagnostic tasks and settings for addition, subtraction, multiplication and division. Remediation techniques and strategies for common error patterns and misunderstandings are discussed for each of the major parts of the…

Practice in adding single digits is provided by puzzles called Totalines. The Magic Pentagram and Hexagram and the Distance Chart extend the addition practice. (MNS)

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…

This package features videotapes and a study guide that are designed to help teachers revisit the operations of addition and subtraction and consider how students can develop meaningful approaches to these operations. The study guides' sessions are on addition, subtraction, the teacher's role, and goals for students and teachers. The readings in…

Article is a demonstration lesson in elementary school mathematics that concentrates on mathematical patterns. (GB)

Three game activities are detailed. Informal work with addition and subtraction on a number line and graphing concepts are achieved with two simple dice games, and the distribution of monetary tokens is used to illustrate the division algorithm. (JP)