Addition
12 + 10 =
What is 22?
27 - 10 =
What is 17?
3 X 3 =
What is 9?
This polygon has 5 sides.
What is a pentagon?
This polyhedron has six faces that have the same surface area.
What is a cube?
29 + 15 =
What is 44?
32 - 9 =
What is 23?
4 X 4 =
What is 16?
This polygon has 6 sides.
What is a hexagon?
This polyhedron is made up of four rectangles and two squares.
What is a rectangular prism, or a cuboid.
21 + 11 =
What is 32?
41 - 12 =
What is 29?
5 X 6 =
What is 30?
This polygon has seven sides.
What is a heptagon?
This polyhedron is made up of one square, and four triangles.
What is a square-based pyramid?
38 + 13 =
What is 51?
32 - 8 =
What is 24?
3 X 7 =
What is 21?
This polygon has 9 sides.
What is a nonagon?
This 3D shape looks like an egg.
What is an ovoid?
46 + 33 =
What is 79?
106 - 54 =
What is 52?
12 X 10 =
What is 120?
Some say that this 2D shape has in infinite number of sides. Some say that it has only two sides, inside and outside, because it has no vertices.
What is a circle?
This 3D shape has no vertices or edges, and is not an ovoid or a sphere.
What is an ellipsoid?