**Title:** Lay It on the Line

**Description:**
This lesson allows students to explore their surroundings to locate and prove the presence of perpendicular lines. Students will use the corner of a ruler as a tester to determine right angles contained in classroom items. It can be included in a unit on geometry and measurement.
This is a College- and Career-Ready Standards showcase lesson plan.
**Standard(s): **

[MA2015] (4) 27: Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines or the presence or absence of angles of a specified size. Recognize right triangles as a category, and identify right triangles. [4-G2]

**Subject:**Mathematics (4)

**Title:**Lay It on the Line

**Description:**This lesson allows students to explore their surroundings to locate and prove the presence of perpendicular lines. Students will use the corner of a ruler as a tester to determine right angles contained in classroom items. It can be included in a unit on geometry and measurement. This is a College- and Career-Ready Standards showcase lesson plan.

**Title:** Look Around, What do You See? Origamis!

**Description:**
Students will make origamis using Japanese paper folding techniques. This lesson will enhance the students ability to understand geometry concepts.
This is a College- and Career-Ready Standards showcase lesson plan.
**Standard(s): **

[MA2015] (4) 28: Recognize a line of symmetry for a two-dimensional figure as a line across the figure such that the figure can be folded along the line into matching parts. Identify line-symmetric figures and draw lines of symmetry. [4-G3]

**Subject:**Mathematics (1 - 4)

**Title:**Look Around, What do You See? Origamis!

**Description:**Students will make origamis using Japanese paper folding techniques. This lesson will enhance the students ability to understand geometry concepts. This is a College- and Career-Ready Standards showcase lesson plan.

**Title:** Wanted: Angles of all Sizes!

**Description:**
In this lesson, students will explore straight, right, acute and obtuse angles. Students will go to the playground to search for angles. The students will use digital cameras to record their findings. They will use their findings to create a PowerPoint to present to the class.
**Standard(s): **

[TC2] (3-5) 12: Create a product using digital tools.

**Subject:**Mathematics (4), or Technology Education (3 - 5)

**Title:**Wanted: Angles of all Sizes!

**Description:**In this lesson, students will explore straight, right, acute and obtuse angles. Students will go to the playground to search for angles. The students will use digital cameras to record their findings. They will use their findings to create a PowerPoint to present to the class.

**Title:** A Triangle to Remember

**Description:**
This lesson will introduce students to different types of triangles by using a clip from the movie A Walk to Remember. They will take part in interactive tutorials to strengthen the concepts of classifying triangles. The students will then use features on Microsoft Word to create an interactive triangle poster and show what they know.
**Standard(s): **

[MA2015] (4) 26: Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures. [4-G1]

**Subject:**Mathematics (4)

**Title:**A Triangle to Remember

**Description:**This lesson will introduce students to different types of triangles by using a clip from the movie A Walk to Remember. They will take part in interactive tutorials to strengthen the concepts of classifying triangles. The students will then use features on Microsoft Word to create an interactive triangle poster and show what they know.

**Title:** Geometric Man

**Description:**
The students will explore angles, rays, line segments, perpendicular lines, parallel lines, and two-dimensional figures through the use of the book "Shape Up! Fun With Triangles and Other Polygons" by David A. Adler. They will also classify quadrilaterals through an interactive website.
**Standard(s): **

[MA2015] (4) 27: Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines or the presence or absence of angles of a specified size. Recognize right triangles as a category, and identify right triangles. [4-G2]

**Subject:**Mathematics (3 - 4)

**Title:**Geometric Man

**Description:**The students will explore angles, rays, line segments, perpendicular lines, parallel lines, and two-dimensional figures through the use of the book "Shape Up! Fun With Triangles and Other Polygons" by David A. Adler. They will also classify quadrilaterals through an interactive website.

**Title:** Angle Scavenger Hunt

**Description:**
In this lesson, students will explore straight, right, acute, and obtuse angles. Students will go on a scavenger hunt throughout the school to search for examples of these types of angles. The students will use digital cameras to record and communicate their findings.
**Standard(s): **

[TC2] (3-5) 12: Create a product using digital tools.

**Subject:**Mathematics (4), or Technology Education (3 - 5)

**Title:**Angle Scavenger Hunt

**Description:**In this lesson, students will explore straight, right, acute, and obtuse angles. Students will go on a scavenger hunt throughout the school to search for examples of these types of angles. The students will use digital cameras to record and communicate their findings.

**Title:** A What? A What? A Quadrilateral

**Description:**
In this lesson, students will identify the characteristics of a quadrilateral. Students will have a chance categorize quadrilaterals into subgroups such as squares, rhombuses, rectangles, and nonregular quadrilaterals. This lesson using geometric shapes for a hands-on activity and includes a quadrilateral quest via the internet at the end.
**Standard(s): **

[TC2] (3-5) 2: Use various technology applications, including word processing and multimedia software.

**Subject:**Mathematics (3 - 5), or Technology Education (3 - 5)

**Title:**A What? A What? A Quadrilateral

**Description:**In this lesson, students will identify the characteristics of a quadrilateral. Students will have a chance categorize quadrilaterals into subgroups such as squares, rhombuses, rectangles, and nonregular quadrilaterals. This lesson using geometric shapes for a hands-on activity and includes a quadrilateral quest via the internet at the end.

**Title:** Weight vs. Capacity

**Description:**
This lesson will introduce students to measuring weight, mass, volume, and capacity using metric and cutomary units.
This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.
**Standard(s): **

[MA2015] (5) 19: Make a line plot to display a data set of measurements in fractions of a unit (^{1}/_{2}, ^{1}/_{4}, ^{1}/_{8}).
Use operations on fractions for this grade to solve problems involving information presented in line plots. [5-MD2]

**Subject:**English Language Arts (3), or Mathematics (3 - 5), or Technology Education (3 - 5)

**Title:**Weight vs. Capacity

**Description:**This lesson will introduce students to measuring weight, mass, volume, and capacity using metric and cutomary units. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.

**Title:** $100 Picture

**Description:**
This is a lesson where collaborative learning groups are used to explore perimeter and area of an irregular figure using pattern blocks. This lesson should be used after students have already had some experience with finding the perimeter and area of a figure.This lesson plan was created as a result of the Girls Engaged in Math and Science University, GEMS-U Project.
**Standard(s): **

[MA2015] (5) 14: Apply and extend previous understandings of multiplication to multiply a fraction or whole number by a fraction. [5-NF4]

**Subject:**Mathematics (3 - 5), or Technology Education (3 - 5)

**Title:**$100 Picture

**Description:**This is a lesson where collaborative learning groups are used to explore perimeter and area of an irregular figure using pattern blocks. This lesson should be used after students have already had some experience with finding the perimeter and area of a figure.This lesson plan was created as a result of the Girls Engaged in Math and Science University, GEMS-U Project.

**Title:** The Class Quilt

**Description:**
Students will design a 12 inch quilt square consisting of geometrical shapes.They must use their knowledge of fractions and polygons in order to create an exact 12" by 12" square.Students will use knowledge of area of a figure in order to create a quilt using their squares.This lesson plan was created as a result of the Girls Engaged in Math and Science University, GEMS-U Project.
**Standard(s): **

[MA2015] (5) 26: Classify two-dimensional figures in a hierarchy based on properties. [5-G4]

**Subject:**Mathematics (3 - 5)

**Title:**The Class Quilt

**Description:**Students will design a 12 inch quilt square consisting of geometrical shapes.They must use their knowledge of fractions and polygons in order to create an exact 12" by 12" square.Students will use knowledge of area of a figure in order to create a quilt using their squares.This lesson plan was created as a result of the Girls Engaged in Math and Science University, GEMS-U Project.

**Title:** Geometric Shadows

**Description:**
Students will identify objects as translucent, transparent, or opaque. Upon seeing the shadow of the opaque object, students will identify the geometric figure created by the shadow.This lesson plan was created as a result of the Girls Engaged in Math and Science University, GEMS-U Project.
**Standard(s): **

[MA2015] (2) 26: Partition circles and rectangles into two, three, or four equal shares; describe the shares using the words *halves, thirds, half of, a third of*, etc.; and describe the whole as two halves, three thirds, or four fourths. Recognize that equal shares of identical wholes need not have the same shape. [2-G3]

**Subject:**Mathematics (K - 4), or Credit Recovery Science (4), or Science (1)

**Title:**Geometric Shadows

**Description:**Students will identify objects as translucent, transparent, or opaque. Upon seeing the shadow of the opaque object, students will identify the geometric figure created by the shadow.This lesson plan was created as a result of the Girls Engaged in Math and Science University, GEMS-U Project.

**Title:** Getting to Know the Shapes

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students discover the uses of geometry and measurement in the world of architecture as they are introduced to a project in which they design a clubhouse.
**Standard(s): **

[MA2015] (4) 26: Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures. [4-G1]

**Subject:**Arts,Mathematics

**Title:**Getting to Know the Shapes

**Description:**In this lesson, one of a multi-part unit from Illuminations, students discover the uses of geometry and measurement in the world of architecture as they are introduced to a project in which they design a clubhouse.

**Thinkfinity Partner:**Illuminations

**Grade Span:**3,4,5

**Title:** Describing Designs

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students create designs and describe them to classmates, using fractional and geometric terms. The lesson provides a context for using the vocabulary terms horizontal, vertical, square, rectangle, triangle, diagonal, one-half, and one-fourth. Several pieces of literature appropriate for use with this lesson are suggested.
**Standard(s): **

[MA2015] (5) 23: Use a pair of perpendicular number lines, called axes, to define a coordinate system with the intersection of the lines (the origin) arranged to coincide with the 0 on each line and a given point in the plane located by using an ordered pair of numbers, called its coordinates. Understand that the first number indicates how far to travel from the origin in the direction of one axis, and the second number indicates how far to travel in the direction of the second axis, with the convention that the names of the two axes and the coordinates correspond (e.g., *x*-axis and *x*-coordinate, *y*-axis and *y*-coordinate). [5-G1]

**Subject:**Arts,Language Arts,Mathematics

**Title:**Describing Designs

**Description:**In this lesson, one of a multi-part unit from Illuminations, students create designs and describe them to classmates, using fractional and geometric terms. The lesson provides a context for using the vocabulary terms horizontal, vertical, square, rectangle, triangle, diagonal, one-half, and one-fourth. Several pieces of literature appropriate for use with this lesson are suggested.

**Thinkfinity Partner:**Illuminations

**Grade Span:**3,4,5

**Title:** More Work with Shapes

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students explore geometric concepts by modeling on the geoboard. They investigate parallel, perpendicular, and intersecting lines.
**Standard(s): **

[MA2015] (4) 26: Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures. [4-G1]

**Subject:**Mathematics

**Title:**More Work with Shapes

**Description:**In this lesson, one of a multi-part unit from Illuminations, students explore geometric concepts by modeling on the geoboard. They investigate parallel, perpendicular, and intersecting lines.

**Thinkfinity Partner:**Illuminations

**Grade Span:**3,4,5

**Title:** Geography of Pizza

**Description:**
In this lesson, from Xpeditions, students analyze Earth's surface according to the spatial elements of points, lines, and areas, and use a simple map to identify features in terms of spatial elements. This lesson uses a pizza restaurant to introduce these components to students, e.g., the location of a restaurant (point), roads and sidewalks (lines), and the city blocks or the region served by a restaurant (area).
**Standard(s): **

[SS2010] GHS (3) 8: Identify geographic links of land regions, river systems, and interstate highways between Alabama and other states. (Alabama)

**Subject:**Mathematics - Applied Mathematics - Social Studies - Geography

**Title:**Geography of Pizza

**Description:**In this lesson, from Xpeditions, students analyze Earth's surface according to the spatial elements of points, lines, and areas, and use a simple map to identify features in terms of spatial elements. This lesson uses a pizza restaurant to introduce these components to students, e.g., the location of a restaurant (point), roads and sidewalks (lines), and the city blocks or the region served by a restaurant (area).

**Thinkfinity Partner:**National Geographic Education

**Grade Span:**3,4,5

**Title:** Constructing a Three-Dimensional Model

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students build a three dimensional model of a clubhouse from two dimensional blueprints designed in an earlier lesson. In addition, they solve problems related to constructing and decorating their clubhouse.
**Standard(s): **

[MA2015] (4) 26: Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures. [4-G1]

**Subject:**Arts,Mathematics

**Title:**Constructing a Three-Dimensional Model

**Description:**In this lesson, one of a multi-part unit from Illuminations, students build a three dimensional model of a clubhouse from two dimensional blueprints designed in an earlier lesson. In addition, they solve problems related to constructing and decorating their clubhouse.

**Thinkfinity Partner:**Illuminations

**Grade Span:**3,4,5

**Title:** Shapes Art

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students participate in activities in which they focus on connections between mathematics and children s literature. They listen to the poem Shapes from Shel Silverstein s A Light in the Attic and then recognize, draw, and describe geometric figures.
**Standard(s): **

[ELA2015] (3) 21: Read with sufficient accuracy and fluency to support comprehension. [RF.3.4]

**Subject:**Language Arts,Mathematics

**Title:**Shapes Art

**Description:**In this lesson, one of a multi-part unit from Illuminations, students participate in activities in which they focus on connections between mathematics and children s literature. They listen to the poem Shapes from Shel Silverstein s A Light in the Attic and then recognize, draw, and describe geometric figures.

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,PreK,1,2,3,4,5

**Title:** Who Was Wassily Kandinsky?

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students explore the geometric figures Wassily Kandinsky used in his art. Students participate in a scavenger hunt to become familiar with Kandinsky s works and the geometric figures used in his paintings.
**Standard(s): **

[MA2015] (4) 26: Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures. [4-G1]

**Subject:**Arts,Mathematics

**Title:**Who Was Wassily Kandinsky?

**Description:**In this lesson, one of a multi-part unit from Illuminations, students explore the geometric figures Wassily Kandinsky used in his art. Students participate in a scavenger hunt to become familiar with Kandinsky s works and the geometric figures used in his paintings.

**Thinkfinity Partner:**Illuminations

**Grade Span:**3,4,5

**Title:** Mirroring Kandinsky

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students explore the geometric figures Wassily Kandinsky used in his art. Students apply what they have learned in previous lessons by designing their own art, and they use Kandinsky s style of art and their own creativity to make paintings that reflect their understanding of geometry.
**Standard(s): **

[MA2015] (4) 26: Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures. [4-G1]

**Subject:**Arts,Mathematics

**Title:**Mirroring Kandinsky

**Description:**In this lesson, one of a multi-part unit from Illuminations, students explore the geometric figures Wassily Kandinsky used in his art. Students apply what they have learned in previous lessons by designing their own art, and they use Kandinsky s style of art and their own creativity to make paintings that reflect their understanding of geometry.

**Thinkfinity Partner:**Illuminations

**Grade Span:**3,4,5

**Title:** Rectangles and Parallelograms

**Description:**
In this lesson, from Illuminations, students use dynamic software to examine the properties of rectangles and parallelograms and then identify what distinguishes a rectangle from a more general parallelogram. Using spatial relationships, they examine the properties of two- and three-dimensional shapes. The lesson links to a virtual manipulative that allows students to compare rectangles and parallelograms.
**Standard(s): **

[MA2015] (4) 26: Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures. [4-G1]

**Subject:**Mathematics

**Title:**Rectangles and Parallelograms

**Description:**In this lesson, from Illuminations, students use dynamic software to examine the properties of rectangles and parallelograms and then identify what distinguishes a rectangle from a more general parallelogram. Using spatial relationships, they examine the properties of two- and three-dimensional shapes. The lesson links to a virtual manipulative that allows students to compare rectangles and parallelograms.

**Thinkfinity Partner:**Illuminations

**Grade Span:**3,4,5

**Title:** Study the Shapes

**Description:**
In this lesson, one of a multi-part unit from Illuminations, students use an online, interactive activity to analyze characteristics and properties of three-dimensional geometric shapes; develop mathematical arguments about geometric relationships; and use visualization, spatial reasoning, and geometric modeling to solve problems. Students investigate geometric shapes in the classroom and complete a chart describing the characteristics of several geometric solids.
**Standard(s): **

[MA2015] (5) 23: Use a pair of perpendicular number lines, called axes, to define a coordinate system with the intersection of the lines (the origin) arranged to coincide with the 0 on each line and a given point in the plane located by using an ordered pair of numbers, called its coordinates. Understand that the first number indicates how far to travel from the origin in the direction of one axis, and the second number indicates how far to travel in the direction of the second axis, with the convention that the names of the two axes and the coordinates correspond (e.g., *x*-axis and *x*-coordinate, *y*-axis and *y*-coordinate). [5-G1]

**Subject:**Mathematics

**Title:**Study the Shapes

**Description:**In this lesson, one of a multi-part unit from Illuminations, students use an online, interactive activity to analyze characteristics and properties of three-dimensional geometric shapes; develop mathematical arguments about geometric relationships; and use visualization, spatial reasoning, and geometric modeling to solve problems. Students investigate geometric shapes in the classroom and complete a chart describing the characteristics of several geometric solids.

**Thinkfinity Partner:**Illuminations

**Grade Span:**3,4,5

**Title:** Animating Angles

**Digital Tool:**
ChatterPix Kids **Web Address URL:**
http://www.duckduckmoose.com/educational-iphone-itouch-apps-for-kids/chatterpixkids/ **Standard(s): **

[MA2015] (4) 26: Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures. [4-G1]**Digital Tool Description:** ChatterPix Kids is a fun, kid friendly app for the iPad and iPhone that can be used to enhance a geometry lesson on angles. Students will choose an angle (right, straight, obtuse, or acute), draw the angle on the graph, color it. Students will identify a real-world object with the same angle attributes, take a picture, and draw a line on the picture for a mouth. Then, students will record their voice giving the measurement of their angle and relate their angle to one real-world object identifying common attributes such as; angle size, side length, side relationships. In this activity, students can work collaboratively in pairs or alone.
This learning activity was created as a result of the Girls Engaged in Math and Science University, GEMS-U Project.

**Title:**Animating Angles

**Digital Tool:**ChatterPix Kids

**Digital Tool Description:**ChatterPix Kids is a fun, kid friendly app for the iPad and iPhone that can be used to enhance a geometry lesson on angles. Students will choose an angle (right, straight, obtuse, or acute), draw the angle on the graph, color it. Students will identify a real-world object with the same angle attributes, take a picture, and draw a line on the picture for a mouth. Then, students will record their voice giving the measurement of their angle and relate their angle to one real-world object identifying common attributes such as; angle size, side length, side relationships. In this activity, students can work collaboratively in pairs or alone. This learning activity was created as a result of the Girls Engaged in Math and Science University, GEMS-U Project.

**Title:** Geometry Around Us

**Digital Tool:**
Educreations **Web Address URL:**
http://itunes.apple.com/us/app/educreations-interactive-whiteboard/id478617061?mt=8 **Standard(s): **

[MA2015] (4) 28: Recognize a line of symmetry for a two-dimensional figure as a line across the figure such that the figure can be folded along the line into matching parts. Identify line-symmetric figures and draw lines of symmetry. [4-G3]**Digital Tool Description:** Educreations is a recordable interactive whiteboard that captures your voice and handwriting to produce amazing video lessons that you can share online. Students can capture images and annotate portions of these photos to identify geometric concepts they find in the world around them.

**Title:**Geometry Around Us

**Digital Tool:**Educreations

**Digital Tool Description:**Educreations is a recordable interactive whiteboard that captures your voice and handwriting to produce amazing video lessons that you can share online. Students can capture images and annotate portions of these photos to identify geometric concepts they find in the world around them.

**Title:** Number and Operations Web Links

**Description:**
This collection of Web links, reviewed and presented by Illuminations, offers teachers and students information about and practice in concepts related to arithmetic. Users can read the Illuminations Editorial Board's review of each Web site, or choose to link directly to the sites.
**Standard(s): **

[MA2015] (5) 26: Classify two-dimensional figures in a hierarchy based on properties. [5-G4]

**Subject:**Mathematics

**Title:**Number and Operations Web Links

**Description:**This collection of Web links, reviewed and presented by Illuminations, offers teachers and students information about and practice in concepts related to arithmetic. Users can read the Illuminations Editorial Board's review of each Web site, or choose to link directly to the sites.

**Thinkfinity Partner:**Illuminations

**Grade Span:**K,1,2,3,4,5,6,7,8,9,10,11,12

**Title:** Communicating about Mathematics Using Games: Playing Fraction Tracks

**Description:**
Mathematical games can foster mathematical communication as students explain and justify their moves to one another. In addition, games can motivate students and engage them in thinking about and applying concepts and skills. This e-example from Illuminations contains an interactive version of a game that can be used in the grades 3-5 classroom to support students' learning about fractions. e-Math Investigations are selected e-examples from the electronic version of the Principles and Standards of School Mathematics (PSSM). The e-examples are part of the electronic version of the PSSM document. Given their interactive nature and focused discussion tied to the PSSM document, the e-examples are natural companions to the i-Math investigations.
**Standard(s): **

[MA2015] (5) 26: Classify two-dimensional figures in a hierarchy based on properties. [5-G4]

**Subject:**Mathematics

**Title:**Communicating about Mathematics Using Games: Playing Fraction Tracks

**Description:**Mathematical games can foster mathematical communication as students explain and justify their moves to one another. In addition, games can motivate students and engage them in thinking about and applying concepts and skills. This e-example from Illuminations contains an interactive version of a game that can be used in the grades 3-5 classroom to support students' learning about fractions. e-Math Investigations are selected e-examples from the electronic version of the Principles and Standards of School Mathematics (PSSM). The e-examples are part of the electronic version of the PSSM document. Given their interactive nature and focused discussion tied to the PSSM document, the e-examples are natural companions to the i-Math investigations.

**Thinkfinity Partner:**Illuminations

**Grade Span:**3,4,5

**Title:** Isometric Drawing Tool

**Description:**
Create dynamic drawings on isometric dot paper with this interactive tool. Draw 2-D and 3-D figures using edges, faces, or cubes that you can shift, rotate, color, or decompose.
**Standard(s): **

[MA2015] GEO (9-12) 38: Identify the shapes of two-dimensional cross-sections of three-dimensional objects, and identify three-dimensional objects generated by rotations of two-dimensional objects. [G-GMD4]

**Subject:**Mathematics

**Title:**Isometric Drawing Tool

**Description:**Create dynamic drawings on isometric dot paper with this interactive tool. Draw 2-D and 3-D figures using edges, faces, or cubes that you can shift, rotate, color, or decompose.

**Thinkfinity Partner:**Illuminations

**Grade Span:**3,4,5,6,7,8,9,10,11,12