Number sentence について

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Number sentence ：ウィキペディア英語版

Number sentence

In mathematics education, a number sentence is typically an equation or inequality expressed using numbers and common symbols. The term is used in primary level mathematics teaching in the US,〔(Show Me That Number Sentence )〕 Canada, UK,〔http://www.qca.org.uk/downloads/3420_maths_glossary_ks1_4.pdf〕 Australia, New Zealand〔http://www.mceetya.edu.au/verve/_resources/SOL_Mathematics_2006.pdf〕 and South Africa.〔(Mathematics Final )〕
==Usage==
The term is used as means of asking students to write down equations using simple mathematical symbols (numerals, the four main basic mathematical operators, equality symbol).〔(number sentence )〕 Sometimes boxes or shapes are used to indicate unknown values. As such, number sentences are used to introduce students to notions of structure and elementary algebra prior to a more formal treatment of these concepts.
A number sentence without unknowns is equivalent to a logical proposition expressed using the notation of arithmetic.

抄文引用元・出典: フリー百科事典『ウィキペディア（Wikipedia）』
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