Angles
An acute angle.
What do you call an angle less than 90 degrees?
There are 10 of these in a centimetre.
How many millimetres are there in a centimetre?
That's the diameter.
What do you call a line that cuts through the centre of a circle at any point and stretches from one side to the other?
What do you call a flat side of a 3D shape?
That's the definition of a hexagon.
What 2D shape has six sides.
An obtuse angle.
What do you call an angle greater than 90 degrees but less than 180 degrees?
There are 1000 of these in a metre.
How many millimetres are there in a metre?
That's the radius.
What do you call a line that goes from the outside rim of a circle to the centre at any point?
A cuboid fits has faces that fit that description.
What 3D shape has six rectangular faces?
That's a pentagon.
What 2D shape has five sides?
This shape's interior angles add up to 180 degrees.
How many degrees are there in the interior angles of a triangle?
You need to divide by 1000 to convert these to litres.
How do you convert millilitres to litres?
That's the circumference.
What do you call the measurement around the outside of a circle?
What 3D shape has four triangular faces and one square face?
What 2D shape has nine sides.
This shape's interior angles add up to 360 degrees.
You need to multiply by 1000 to convert these to grams?
How do you convert kilograms to grams?
The name given to a 3D shape that's half a sphere.
What is a hemisphere?
A triangular prism has faces that fit that description.
What 3D shape has two triangular faces and three rectangular faces?
That's a dodecagon.
What 2D shape has 12 sides?
Vertically opposite angles.
What do you call angles that are opposite each other where two lines cross?
There are 1,000,000 of these in a kilometre.
How many millimetres are there in a kilometre?
A cube has faces, edges and vertices that fit that description.
What 3D shape has six square faces, twelve edges and eight vertices.
A quadrilateral.