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Kefaloukos, Mary-Anne; Bobis, Janette – Australian Primary Mathematics Classroom, 2011
This article describes some aspects of Piaget's Theory of Cognitive Development. It highlights the importance of giving young children specific access to explore conservation in measurement, which will give students invaluable experiences in measurement that in years to come will be regarded as their prior knowledge of the concept. This is…
Descriptors: Conservation (Concept), Prior Learning, Misconceptions, Piagetian Theory
Bobis, Janette – Australian Primary Mathematics Classroom, 2008
Number sense has been recognised as central to young children's development of mathematics for a number of decades. A student with a "good" sense of number normally has a thorough understanding of relationships among numbers and operations--being able flexibly to partition and combine numbers in convenient ways to allow appropriate estimations and…
Descriptors: Numbers, Young Children, Number Concepts, Early Childhood Education
Bobis, Janette – Australian Primary Mathematics Classroom, 2007
Drawing upon research, theory, classroom and personal experiences, this paper focuses on the development of primary-aged children's computational fluency. It emphasises the critical links between number sense and a child's ability to perform mental and written computation. The case of multi-digit multiplication is used to illustrate these…
Descriptors: Computation, Mathematics Education, Primary Education, Mental Computation
Gorham, Gail; Bobis, Janette – Australian Primary Mathematics Classroom, 2005
This article presents several tips that teachers can use to teach children about time. One activity, investigating 24-hour time, aims to familiarise upper primary students with converting a.m. and p.m. notations to 24-hour time. Another activity requires students to construct a calendar month in order to familiarize themselves with the components…
Descriptors: Learning Activities, Mathematics Instruction, Time, Teaching Methods
Bobis, Janette – Australian Primary Mathematics Classroom, 2005
Three activities are presented that are designed to develop an understanding of equivalence. Equivalent fractions have the same value, but may be expressed with a different denominator or different notation. "Decimal Fraction Dominoes" focuses on the equivalence of commonly occurring fractions, decimal fractions, percentages and their pictorial…
Descriptors: Arithmetic, Mathematical Concepts, Mathematics Instruction, Teaching Methods
Bobis, Janette – Australian Primary Mathematics Classroom, 2004
Estimation is an important skill for everyday living. Good estimators usually have a sound knowledge of basic facts, understand place value and use a variety of strategies to make their estimates. This paper describes an activity which is designed to provide students with opportunities to practice their rounding strategies with addition and…
Descriptors: Number Concepts, Computation, Mathematics Instruction, Mathematics
Peer reviewed Peer reviewed
Mulligan, Joanne; Bobis, Janette; Francis, Chris – Australian Primary Mathematics Classroom, 1999
Describes a classroom-based model for professional development that allows teachers to gain further insight into matching learning experiences with a child's potential. (ASK)
Descriptors: Arithmetic, Elementary Education, Elementary School Mathematics, Faculty Development