Grade 8 geometry
Perimeter, area, volume, angles, polygons, Pythagoras and coordinates. 14 of them sit in grade 8 by our reckoning, in 42 sets. Where a skill falls is our judgement, not a standard — take the band that fits the class in front of you.
- A radius, from the circumferenceNumbers 12.56–94.2; every one will run the formula backwards.Starter · Standard · Stretch
- Volume of a cylinderNumbers 2–12.Starter · Standard · Stretch
- Volume of a triangular prismNumbers 2–24.Starter · Standard · Stretch
- Pythagoras: finding the longest sideNumbers 3–24.Starter · Standard · Stretch
- Pythagoras: finding a shorter sideNumbers 4–26.Starter · Standard · Stretch
- Distance between two pointsNumbers 1–28.Starter · Standard · Stretch
- Midpoint of two pointsNumbers 1–28.Starter · Standard · Stretch
- Area of a semicircleNumbers 2–15.Starter · Standard · Stretch
- One angle of a regular polygonNumbers 0–0; every one will use a shape whose angles are all the same.Starter · Standard · Stretch
- The turn at each corner of a polygonNumbers 0–0; every one will use a shape whose angles are all the same.Starter · Standard · Stretch
- How many sides, from the turn at a cornerNumbers 36–120; every one will use a shape whose angles are all the same.Starter · Standard · Stretch
- Surface area of a cylinderNumbers 2–12.Starter · Standard · Stretch
- Volume of a coneNumbers 2–12.Starter · Standard · Stretch
- Deciding whether a triangle has a right angleNumbers 3–28; 53% turn out to have a right angle.Starter · Standard · Stretch