Vocabulary
What is an isometric drawing?
A drawing of a 3D shape, shown from a corner. The width and depth both go off at an angle.
Which shape has an apex?
Pyramid
What is the name of a shape that has 6 sides?
Hexagon
The box is 120 cm tall.
What is a vertex?
A corner or point where 2 or more line segments meet.
What shape could have 5 faces?
Triangular prism
What is the name of a shape that has 4 sides?
Quadrilateral
A drawing of a couch is 1:50. The drawing is 1 inch x 2 inches x 3 inches. What are the dimensions of the couch?
The couch is 50 inches x 100 inches x 150 inches.
What is a plane of symmetry?
A flat imaginary plane (figure) that splits a 3D shape into congruent, mirrored halves.
What is the name of a shape that has 2 congruent bases with 8 sides.
Octagonal prism
Draw a shape that has 8 sides.
**Octagon drawing**
A bathroom mirror is 200 cm long and 100 cm wide. Using a scale of 1:25, how big would a drawing of this mirror be?
The drawing would be 8 cm long and 4 cm wide.
What is a prism?
A type of cylinder that has 2 congruent polygonal faces as bases, and rectangular faces connecting them.
How many vertices does a triangular pyramid have?
Four
How many lines of symmetry does a rectangle have?
A classroom is 24 feet wide and 40 feet long. What size would a drawing need to be, at a scale of 1cm:4ft
The drawing would be 6 cm wide and 10 cm long.
What does "oblique" mean?
A 3D shape that is not at a right angle. The bases are not centered on top of one another (prism/cylinder), or the apex is not directly above the centre of the base (pyramid).
How many edges does a cube have?
Twelve
How many lines of symmetry does a square have?
Four
A map of a parking lot is 20 cm wide. The parking lot is actually 4,800 cm wide. What scale is used in the map?
The map uses a scale of 1:240.