Faces & Edges

A Maths Lesson Starter of The Day

3D objects Here are some 3D shapes. What are their mathematical names?

How many faces, edges and vertices do the following objects have?

- Ritz box
- Toblerone box
- KitKat box
- Chocolate box

 


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Topics: Starter | Shape (3D)

  • Elaine Leighton, St Francis Sch, Wilts
  •  
  • An excellent set of resources although I do not use the ones which require a list of mathematical terms starting with a specific letter or the "Kim's game" activities. We particularly like the puzzle type activities. I have used several with year 6 and a few with year 5 as well as year 7 and 8.
  • Transum,
  •  
  • There is a lot to be gained from practising this type of mental maths occasionally and this exercise should be relevant to students of all ages and abilities. Not only does it require students to revise the quick, efficient methods such as dividing by four for 25% rather than finding one hundredth of the amount and multiplying it by 25, but it also, due to the way the table is set up, allow students to see patterns and connections in the results.

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Answers

Ritz Box

Cuboid

6 faces

12 edges

8 vertices

Toblerone

Triangular Prism

5 faces

9 edges

6 vertices

Chocolates

Octagonal Prism

10 faces

24 edges

16 vertices

KitKat

Trapezoidal Prism

6 faces

12 edges

8 vertices

Globe

Sphere

Tin of baked beans

Cylinder

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Laptops In Lessons

Teacher, do your students have access to computers?
Do they have iPads or Laptops in Lessons?

Whether your students each have a TabletPC, a Surface or a Mac, this activity lends itself to eLearning (Engaged Learning).

Laptops In Lessons

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Student Activity

Have you seen the Great Dodecahedron?

Transum.org/go/?to=dodecahedron

Student Activity


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