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Lesson Plan
Curated OER

Fraction Circles

For Teachers 4th
Fourth graders receive a fraction circle and show how each different part makes a whole. Students compare the different fractions that make up a whole. Students choose 2 fractions which are inside a bucket and they compare them both...
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Lesson Plan
Virginia Department of Education

Arc Length and Area of a Sector

For Teachers 9th - 11th Standards
What do skateboarding and baked goods have in common with math? You can use them to connect half-pipe ramps and cakes to arcs and sectors. Pupils compare the lengths of three different ramp options of a skate park. They calculate the...
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Lesson Plan
Utah Education Network (UEN)

Geo Shapes

For Teachers Pre-K - 2nd Standards
Invite your first graders to compose and decompose two and three-dimensional figures with this fun, hands-on instructional activity. They investigate and predict the results of putting together and taking apart two-dimensional shapes...
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Lesson Plan
Curated OER

Properties of Arcs, Lengths and Chords

For Teachers 9th - 11th
Learners differentiate between the different properties of arcs, arc lengths, chords, and chord lengths. In this circles lesson, students calculate the arc length of a given circle, and find the measure of the inscribed angles of a...
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Lesson Plan
Curated OER

Inscribed Angles

For Teachers 9th - Higher Ed
Students analyze inscribed angles and intercepted arcs and explore the relationships between the two. They investigate the properties of angles, arcs, chords, tangents, and secants to solve problems involving circles.
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Lesson Plan
Curated OER

Do You Have Number Sense?

For Teachers 7th
Seventh graders are grouped according to their ability level with a captain who is elected by the students in that particular group. Students demonstrate their knowledge of rational and irrational numbers by defining them. Students use a...
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Lesson Plan
Curated OER

Angle Land and Angle Aerobics

For Teachers 6th
Sixth graders investigate different types of angles. In this geometry lesson, 6th graders use a protractor to identify acute, obtuse, and straight angles.
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Lesson Plan
Curated OER

Geometrically Artistic/Artistically Geomtric

For Teachers 2nd - 8th
Students identify the two-dimensional geometric shapes Lowrey utilized in the painting Untitled. Students compare the two-dimensional shapes in terms of equivalent fractions, congruency, symmetry and asymmetry. Students create their own...