Grade 7 Math · Topic guide
Geometry — Grade 7 Math
Use scale drawings and scale factors, reason about angles and triangles, and explore circles and geometric measurement.
Practice more with MathNivoAndroid app coming soonExplore the idea here, then continue practicing in the Android app when available.
What you’ll learn
- Use adjacent-angle relationships.
- Calculate circle area.
- Calculate circumference.
- Solve complementary-angle problems.
Explore the skills
Choose an idea below to read a worked example and try one question.
- Use adjacent-angle relationshipsUse adjacent-angle relationships.
- Calculate circle areaCalculate circle area.
- Calculate circumferenceCalculate circumference.
- Solve complementary-angle problemsSolve complementary-angle problems.
- Area of composite figuresArea of composite figures.
- Describe 2D cross-sections of 3D figuresDescribe 2D cross-sections of 3D figures.
- Create drawings at different scalesCreate drawings at different scales.
- Find actual areas from scale drawingsFind actual areas from scale drawings.
- Find actual lengths from scale drawingsFind actual lengths from scale drawings.
- Understand scale factorsUnderstand scale factors.
- Solve supplementary-angle problemsSolve supplementary-angle problems.
- Surface area of 3D figuresSurface area of 3D figures.
- Construct triangles from measurementsConstruct triangles from measurements.
- Determine whether triangle conditions are possibleDetermine whether triangle conditions are possible.
- Write equations for unknown anglesWrite equations for unknown angles.
- Use vertical-angle relationshipsUse vertical-angle relationships.
- Volume of prismsVolume of prisms.