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WALT: find the surface area of cubes and cuboids (Level 5)

asurcef. buce. WALT: find the surface area of cubes and cuboids (Level 5). uodcbi. ephdt. glneht. Unscramble these mathematical words! . uolevm. 10 Quick Questions x 2!. WALT: find the surface area of cubes and cuboids ( Level 5 ).

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WALT: find the surface area of cubes and cuboids (Level 5)

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  1. asurcef buce WALT: find the surface area of cubes and cuboids (Level 5) uodcbi ephdt glneht Unscramble these mathematical words! uolevm

  2. 10 Quick Questions x 2!

  3. WALT: find the surface area of cubes and cuboids (Level 5) • To succeed: Be able to find the surface area of 3D shapes. • To excel: Be able to calculate the volume of 3D shapes .

  4. WILF: (What I’m looking for) 1. Know how to find the area of a single side. 2. Know that surface area is the total area on the faces of the shape. 3. Be able to apply knowledge of area and surface area to calculate the surface area of real 3D shapes.

  5. Find the area of these shapes…

  6. Now what about SURFACE area?

  7. Let’s try it! • How might it be easier to calculate? • What could we draw to help us?

  8. Let’s try it! • What about a cuboid? • What makes this different?

  9. How do you feel about…

  10. HIGH FIVE!

  11. Your job… • You are a very important business person who works for a biscuit company. • You and your team need to find out which packaging is going to cost the least to make. • How will you know which packaging will cost the least? CHALLENGE: If the cost of cardboard is £0.95/cm2 how much will each box cost?

  12. Try it yourself…

  13. Place your post-it on the scale…

  14. Exit Cards… • Before you leave the classroom you need to write down on a card: 1. Your name. 2. Explain in a few sentences how surface area is found. 3. Anything you had trouble with in the lesson.

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