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Unit: Geometry

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Possible mastery points

Area and circumference of circles

Learn
Radius, diameter, circumference & π
(Opens a modal)
Labeling parts of a circle
(Opens a modal)
Radius, diameter, & circumference
(Opens a modal)
Radius & diameter from circumference
(Opens a modal)
Relating circumference and area
(Opens a modal)
Area of a circle
(Opens a modal)
Partial circle area and arc length
(Opens a modal)
Circumference review
(Opens a modal)
Area of circles review
(Opens a modal)
Practice
Radius and diameterGet 5 of 7 questions to level up!
Circumference of a circleGet 3 of 4 questions to level up!
Area of a circleGet 5 of 7 questions to level up!
Circumference of parts of circlesGet 3 of 4 questions to level up!
Area of parts of circlesGet 3 of 4 questions to level up!

Area and circumference challenge problems

Learn
Finding circumference of a circle when given the area
(Opens a modal)
Area of a shaded region
(Opens a modal)
Impact of increasing the radius
(Opens a modal)
Practice
Circumference and rotationsGet 3 of 4 questions to level up!
Area and circumference of circles challengeGet 3 of 4 questions to level up!
Shaded areasGet 3 of 4 questions to level up!

Quiz 1

Level up on the above skills and collect up to 800 Mastery points

Vertical, complementary, and supplementary angles

Learn
Angles: introduction
(Opens a modal)
Complementary & supplementary angles
(Opens a modal)
Vertical angles
(Opens a modal)
Complementary and supplementary angles review
(Opens a modal)
Practice
Name anglesGet 3 of 4 questions to level up!
Identifying supplementary, complementary, and vertical anglesGet 5 of 7 questions to level up!
Complementary and supplementary angles (visual)Get 3 of 4 questions to level up!
Complementary and supplementary angles (no visual)Get 5 of 7 questions to level up!
Vertical anglesGet 3 of 4 questions to level up!
Finding angle measures between intersecting linesGet 3 of 4 questions to level up!

Missing angle problems

Learn
Find measure of vertical angles
(Opens a modal)
Find measure of angles word problem
(Opens a modal)
Equation practice with complementary angles
(Opens a modal)
Equation practice with supplementary angles
(Opens a modal)
Equation practice with vertical angles
(Opens a modal)
Practice
Finding missing anglesGet 5 of 7 questions to level up!
Create equations to solve for missing anglesGet 5 of 7 questions to level up!
Unknown angle problems (with algebra)Get 5 of 7 questions to level up!

Quiz 2

Level up on the above skills and collect up to 900 Mastery points

Constructing triangles

Learn
Construct a right isosceles triangle
(Opens a modal)
Construct a triangle with constraints
(Opens a modal)
Triangle inequality theorem
(Opens a modal)
Practice
Triangle side length rules Get 3 of 4 questions to level up!

Slicing geometric shapes

Learn
Slicing a rectangular pyramid
(Opens a modal)
Practice
Cross sections of 3D objects (basic)Get 3 of 4 questions to level up!

Quiz 3

Level up on the above skills and collect up to 200 Mastery points

Scale copies

Learn
Exploring scale copies
(Opens a modal)
Identifying corresponding parts of scaled copies
(Opens a modal)
Corresponding points and sides of scaled shapes
(Opens a modal)
Identifying scale copies
(Opens a modal)
Identifying scale factor in drawings
(Opens a modal)
Interpreting scale factors in drawings
(Opens a modal)
Identifying values in scale copies
(Opens a modal)
Practice
Explore scale copiesGet 3 of 4 questions to level up!
Corresponding sides and pointsGet 3 of 4 questions to level up!
Identify scale copiesGet 3 of 4 questions to level up!
Identify scale factor in scale drawingsGet 3 of 4 questions to level up!
Interpret scale factor in scale drawingsGet 3 of 4 questions to level up!
Scale copiesGet 3 of 4 questions to level up!

Scale drawings

Learn
Scale drawings
(Opens a modal)
Scale drawing: centimeters to kilometers
(Opens a modal)
Interpreting a scale drawing
(Opens a modal)
Scale drawing word problems
(Opens a modal)
Creating scale drawings
(Opens a modal)
Making a scale drawing
(Opens a modal)
Scale factors and area
(Opens a modal)
Solving a scale drawing word problem
(Opens a modal)
Practice
Scale drawingsGet 3 of 4 questions to level up!
Construct scale drawingsGet 3 of 4 questions to level up!
Relate scale drawings to areaGet 3 of 4 questions to level up!

Quiz 4

Level up on the above skills and collect up to 900 Mastery points

Volume and surface area word problems

Learn
Volume word problem: gold ring
(Opens a modal)
Volume of triangular prism & cube
(Opens a modal)
Volume of rectangles inside rectangles
(Opens a modal)
Practice
Volume and surface area word problemsGet 3 of 4 questions to level up!
Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 2900 Mastery points!

About this unit

Geometric shapes are all around us. The world is built with them. In this series of tutorials and exercises you'll become familiar with Euclidean geometry and terms like segments, scale drawings, parts of a circle, area, volume, angles, and geometric figures.