Approximate Math without Instruction
18 June 2008
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are able to solve approximate addition to or subtraction of large numbers of problems even before they learned arithmetic, according to a study from Harvard University, researchers at the University of Nottingham and Harvard.
The study, published in the journal Nature, does not indicate that children must be to control the logic of value or where the addition of a table for the addition and subtraction approximate. Children's learning difficulties at school arithmetic May derive from the need for an exact number, if you have problems to solve. The elementary education in mathematics might be improved, and children, interest in this subject, if the talents of children for approximate calculation could be built in the classrooms, the authors suggest.
The researchers presented children 5 years, with a number of problems presented in the form of scenarios the approximate addition and subtraction of symbolic numbers between five and 98 A matter of subtraction, for example, said: "Sarah has 64 candies and 13 of them away, and John has 34 candies. Whoever has more?"
Even if children did not learn about symbolic arithmetic, and still have control over the mechanics of addition and subtraction symbolic, well above the chance on testing and counselling. Children are not able, said a solution to the problems showed that their approximate price was not based on knowledge of the exact figures.
The authors lead researchers Camilla Gilmore, now at the University of Nottingham, Elizabeth Spelke, Marshall L. Berkman professor of psychology, and Shannon McCarthy, a scientific researcher in the department of psychology, both from the Faculty of Arts and Sciences Harvard, to find evidence for these skills in children from a wide range of backgrounds, if in the two studies were conducted in a laboratory environment calm and in the classroom.
are able to solve approximate addition to or subtraction of large numbers of problems even before they learned arithmetic, according to a study from Harvard University, researchers at the University of Nottingham and Harvard.
The study, published in the journal Nature, does not indicate that children must be to control the logic of value or where the addition of a table for the addition and subtraction approximate. Children's learning difficulties at school arithmetic May derive from the need for an exact number, if you have problems to solve. The elementary education in mathematics might be improved, and children, interest in this subject, if the talents of children for approximate calculation could be built in the classrooms, the authors suggest.
The researchers presented children 5 years, with a number of problems presented in the form of scenarios the approximate addition and subtraction of symbolic numbers between five and 98 A matter of subtraction, for example, said: "Sarah has 64 candies and 13 of them away, and John has 34 candies. Whoever has more?"
Even if children did not learn about symbolic arithmetic, and still have control over the mechanics of addition and subtraction symbolic, well above the chance on testing and counselling. Children are not able, said a solution to the problems showed that their approximate price was not based on knowledge of the exact figures.
The authors lead researchers Camilla Gilmore, now at the University of Nottingham, Elizabeth Spelke, Marshall L. Berkman professor of psychology, and Shannon McCarthy, a scientific researcher in the department of psychology, both from the Faculty of Arts and Sciences Harvard, to find evidence for these skills in children from a wide range of backgrounds, if in the two studies were conducted in a laboratory environment calm and in the classroom.
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