Math.

• Name a 2D shape.

  Circle
• Name a 3D shape.

  Sphere
• What is a trapezium?

  A 2D shape with four sides
• What is a cuboid?

  A 3D shape with rectangular faces
• What is the purpose of 1 cm grids in drawing?

  They help to draw accurately
• What do plans and elevations represent?

  Different views of a 3D shape
• How does the direction of viewing affect a shape?

  It determines the front and side views
• What is the area formula for a rectangle?

  Base x Height
• What is the area formula for a triangle?

  $\frac{1}{2} \times \text{Base} \times \text{Height}$
• How do you calculate the area of a parallelogram?

  Base x Perpendicular Height
• What is the area formula for a trapezium?

  $\frac{(a+b) \times h}{2}$
• What is the area formula for a circle?

  <latex{\pi \times \text{radius}^2}</latex>
• What defines a prism?

  A solid object with two identical ends
• How does a cylinder differ from a prism?

  A cylinder does not have flat faces
• Why is sketching nets useful?

  It helps visualize the overall surface area
• How do you calculate the surface area of a cuboid?

  Sketch nets to visualize all sides
• What is the formula for the volume of cubes and cuboids?

  Base x Width x Height
• What does volume represent?

  The 3D space an object occupies
• How can some 3D shape volumes be calculated?

  By counting the number of cubes
• What is the formula for the surface area of a cylinder?

  <latex{2 \times \pi \times \text{radius}^2 + \pi \times \text{diameter} \times \text{height}}</latex>
• What is the formula for the circumference of a circle?

  <latex{2 \times \pi \times \text{radius}}</latex>
• What units are used for areas and volumes?

  Areas - square units; Volumes - cubic units
• Can areas and volumes be left in terms of π?

  Yes