Websites on Area and Perimeter

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Here is a list of websites I use when teaching my 4th graders area and perimeter.

Websites on Decimals

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Private resource (viewable only by you or, if placed in a group folder, by members of that group)

A collection of websites I use when teaching my 4th graders decimals.

How Many Blades of Grass Are on a Football Field?

This article presents the use of a problem-based instructional task in an elementary classroom. After estimating the number of blades of grass on a football field, students write letters to explain the results of their research. Teachers will learn how to implement this task and similar problem-solving tasks in the elementary mathematics classroom.

Related content 1:
http://www.nctm.org/publications/article.aspx?id=21941

Fostering Mathematical Thinking and Problem Solving: The Teacher's Role

This article describes the teacher's role in promoting mathematical thinking and problem solving in the classroom—identifying critical teacher actions and decisions; considering how beliefs influence the teacher’s actions and decisions; and suggesting implications for teachers and students. The author contrasts two different approaches to the presentation of a problem and points out strategies that foster understanding, perseverance, and confidence in students.

Related content 1:
http://www.nctm.org/publications/article.aspx?id=22041

Hungry for Early Spatial and Algebraic Reasoning

Kindergartners and first-grade students listen excitedly to a modified storybook to guide their geometry activities. Using pattern blocks to create first simple patterns based on the story, they go on to create more complex patterns and ultimately to look for numeric patterns related to the geometric patterns.

Related content 1:
http://www.nctm.org/publications/article.aspx?id=33741

Games that Encourage and Enhance Mathematical Reasoning and Sense Making

Games that Encourage and Enhance Mathematical Reasoning and Sense Making

Catlog Resource Type:
Lecture/Presentation, Community, Video, Voice Recording

The Triangle Number Game

Catlog Resource Type:
Activity, Game