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Russo, James – Australian Primary Mathematics Classroom, 2017
Benchmarking is an important strategy for comparing the size of fractions. In addition, knowing whether a given fraction is greater or less than a particular benchmark (e.g., one-half) can support students with accurately locating the fraction on a number line. This article offers a game-based activity that engages students in discussions around…
Descriptors: Mathematics Instruction, Benchmarking, Comparative Analysis, Fractions
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Sullivan, Peter; Russo, James – Australian Primary Mathematics Classroom, 2017
It is frequently surprising to new teachers (and even those with experience) when they find that not only do some children need to recount the group they have just counted to be assured of the total but also that this need seems to be resistant to intervention. Although moving from "counting-all" to "count-on" is sometimes…
Descriptors: Number Concepts, Computation, Teaching Methods, Mathematics Instruction