Number of corners

Sides and corners · Shapes & Geometry

Count sides and corners from triangles to hexagons and find shapes by a clue.

This is step 2 of unit 8, “Sides and corners”, in Stage 3: Two-digit sums and times tables (ages 9). A round has 10 problems; 90% or better earns three stars. Everything is free with no sign-up, and your stars and XP are saved on this device.