该数学单元涵盖了与分数和小数有关的一系列概念。
It consists of 11 lessons of approximately 60 minutes duration.
The sequence of lessons and suggested time frames should be regarded as a guide only; teachers should pace lessons in accordance with the individual learning needs of their class.
An assessment task for monitoring student understanding of the unit objectives is included and will require an additional lesson.
登录以查看单位计划。
Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.
Understand a fraction as a number on the number line; represent fractions on a number line diagram.
解释特殊情况下分数的等效性，并通过推理其大小来比较分数。
Explain why a fraction a/b is equivalent to a fraction (n × a)/(n × b) by using visual fraction models, with attention to how the number and size of the parts differ even though the two fractions themselves are the same size. Use this principle to ...
将分数分解为具有相同分母的分数总和，以多种方式分解成分，通过方程式记录每个分解。通过使用视觉分数模型来证明分解的合理性。示例：3/8 = 1/8 + 1/8 + 1/8;3/8 = 1/8 + 2/...
Use decimal notation for fractions with denominators 10 or 100. For example, rewrite 0.62 as 62/100; describe a length as 0.62 meters; locate 0.62 on a number line diagram.
确定相应的分数大于zero and less than or equal to one with denominators of 2, 3, 4, 6, and 8 given a specified point on a number line;
Explain that the unit fraction 1/b represents the quantity formed by one part of a whole that has been partitioned into b equal parts where b is a non-zero whole number;
通过对其大小进行推理并使用符号，单词，对象和绘画模型来证明结论是合理的，在问题中具有相同的分子或分母的两个分数。
Relate decimals to fractions that name tenths and hundredths; and
Decompose a fraction in more than one way into a sum of fractions with the same denominator using concrete and pictorial models and recording results with symbolic representations;
Determine if two given fractions are equivalent using a variety of methods;
We create premium quality, downloadable teaching resources for primary/elementary school teachers that make classrooms buzz!
Would you like something changed or customised on this resource? While our team makes every effort to complete change suggestions, we can't guarantee that every change will be completed.
Did you spot an error on this resource? Please let us know and we will fix it shortly.
Are you having trouble downloading or viewing this resource? Please try the following steps:
If you are still having difficulty, please visit theTeach Starter Help Desk或者contact us.
0 Comments
Write a review to help other teachers and parents like yourself. If you'd like to request a change to this resource, or report an error, select the corresponding tab above.