Primary Mathematics us Edition 1a-6b is ideal for both classroom and home use for 1st - 7th grades.

美国版小学数学第1 A - 6b型是第一和家庭使用的理想选择两个教室-第七的成绩。

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The district spent $121, 000 on the “Primary Mathematics” books and $24, 632 for teachers’ materials.

学区花了121000美元购买《基础数学》书籍，花了24632美元购买老师资料。

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Question to be solved means solving problems. It is one of the most important work in primary mathematics and also a classical problem to learning maths.

问题解决即解题，是初等数学中一个极有生命力、极具独创性的充满诗情画意的工作，它也是数学学习中的一个古老问题。

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So, what we're dealing here with is a situation where the ancient Greeks were very much into mathematics as a way of explaining the world and explaining music in particular And they thought these ratios were primary.

那么,我们现在要潜心琢磨,古希腊人热衷于,用数学来解释世界,尤其是音乐的这种情形,他们认为这些比例才是基础

耶鲁公开课 - 聆听音乐课程节选

"Indeed in our view such competence is central to the success of primary mathematics, so much so that we would recommend an earlier emphasis for the mastery of some basic skills such as multiplication tables, " he said in a paper due to be published later this week.

BBC: Primary maths plan threatens 'too much too soon'

The IEA is probably best known for its Third International Mathematics and Science Study (TIMSS), an international large-scale assessment of learning outcomes (ILSA) for primary school learners in science and mathematics, as well as for PIRLS (Progress in International Reading Literacy Study).

UNESCO: Article on assesment

Last month, the government's numeracy taskforce issued detailed guidelines for primary schools, calling for one hour of mathematics every day and outlining an ideal structure for the lessons.

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