LEARN NC

K–12 teaching and learning · from the UNC School of Education

Geometry

Goal 3, Objective 3.01

Goal 3

Algebra - The learner will transform geometric figures in the coordinate plane algebraically.

Objective 3.01

Describe the transformation (translation, reflection, rotation, dilation) of polygons in the coordinate plane in simple algebraic terms.

Resources aligned to this objective

Records 1–9 of 9 displayed.

Lesson plans on the web

Describing reflections
In this lesson, one of a multi-part unit from Illuminations, students learn how reflections work and what happens when two or more reflections are applied one after the other. (Learn more)
Format: lesson plan (grade 9–12 Mathematics)
Provider: National Council of Teachers of Mathematics
Describing Rotations
Students use an interactive Java applet to investigate the effect of rotations through different angles and on different shapes. (Learn more)
Format: lesson plan (grade 6 and 9–12 Mathematics)
Provider: National Council of Teachers of Mathematics
Finding What Doesn't Change
Students predict the effect of a rotation through a given angle. (Learn more)
Format: lesson plan (grade 9–12 Mathematics)
Provider: National Council of Teachers of Mathematics
Reflect on this
In this lesson, from Illuminations, students investigate reflections in a plane using mirrors (or other reflective materials) and a geometry utility. They apply their findings to examination of interior angles of regular polygons. (Learn more)
Format: lesson plan (grade 9–12 Mathematics)
Provider: National Council of Teachers of Mathematics
Reflections across two mirror lines
In this lesson, one of a multi-part unit from Illuminations, students learn what happens when a design is reflected twice across two different mirror lines. (Learn more)
Format: lesson plan (grade 9–12 Mathematics)
Provider: National Council of Teachers of Mathematics
Relating Rotations to Symmetry
Students investigate the relationship between rotations and the symmetry in a figure or a design. (Learn more)
Format: lesson plan (grade 9–12 Mathematics)
Provider: National Council of Teachers of Mathematics
Symmetries I: Conclusions
This lesson challenges students to reflect on the mathematical ideas learned in a multi-part lesson on Geometry. (Learn more)
Format: lesson plan (grade 9 Mathematics)
Provider: National Council of Teachers of Mathematics
Symmetries II: Conclusions
In this lesson, one of a multi-part unit from Illuminations, students reflect on what they learned in the three previous lessons. (Learn more)
Format: lesson plan (grade 9–12 Mathematics)
Provider: National Council of Teachers of Mathematics
Symmetries IV
This lesson, from Illuminations, helps students to understand and identify glide reflections. With the help of a Java applet, students construct glide reflections using a translation and a reflection. (Learn more)
Format: lesson plan (grade 9–12 Mathematics)
Provider: National Council of Teachers of Mathematics