Making Triangles

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Making Triangles

Description:

In this activity, students use 45- and 90-degree angles to create triangles, and develop an understanding of the relationship between angles and the shape of triangle. Students use their knowledge of number, measurement and geometry to design a "virtual path" using two different angles to help a ladybug reach its hiding place under a leaf.

Education Levels:

1, 2, Kindergarten

Subject:

Geometry

Resource Type:

Lesson plan

Medium:

Text/HTML

Fee Status:

Free

Beneficiary:

Students

Online provider:

National Council of Teachers of Mathematics

Show more properties

Keywords:

Triangles, Angles

Mediator:

Elementary school teachers

Publisher:

NCTM Illuminations

Contributor:

Carol Midgett

Is Part Of:

http://illuminations.nctm.org/

Language:

English

General

Essential Resources:

Coffee stirs; Twisty ties (such as those that come on bread packages)

Referenced Resources/Versions

Required Learning:

http://illuminations.nctm.org/lessons/ladybug/Ladybug-AS-MyTriangles.pdf

Required Learning:

http://illuminations.nctm.org/lessons/ladybug/Ladybug-AS-MakeMyPath.pdf

Required Learning:

http://www.nctm.org/standards/content.aspx?id=25009

Subjects/Topics

P21 Subject:

Mathematics

Learning Outcomes:

Broad Correlation

Common Core State Standards for Mathematics (2010)

Geometry

Analyze, compare, create, and compose shapes.

Analyze and compare two- and three-dimensional shapes, in different sizes and orientations, using informal language to describe their similarities, differences, parts (e.g., number of sides and vertices/"corners") and other attributes (e.g., having sides of equal length).

Broad Correlation

Principles and Standards for School Mathematics (2000)

Geometry Standard

Analyze characteristics and properties of two- and three-dimensional geometric shapes and develop mathematical arguments about geometric relationships

recognize, name, build, draw, compare, and sort two- and three-dimensional shapes

Broad Correlation

Principles and Standards for School Mathematics (2000)

Geometry Standard

Specify locations and describe spatial relationships using coordinate geometry and other representational systems

describe, name, and interpret relative positions in space and apply ideas about relative position

This data provided by the Achievement Standards Network

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Making Triangles

Making Triangles

General

Referenced Resources/Versions

Subjects/Topics

Learning Outcomes:

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