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Calculations and checking

Calculations and checking. Bell work. Boot your lap tops up Show me boards Count down. Calculations and checking. WALT Use and apply our knowledge of ‘BODMAS’ to work out areas of regular and irregular shapes. WILF L3 – to be able to solve problems with two or more steps

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Calculations and checking

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  1. Calculations and checking

  2. Bell work • Boot your lap tops up • Show me boards • Count down...

  3. Calculations and checking

  4. WALT Use and apply our knowledge of ‘BODMAS’ to work out areas of regular and irregular shapes WILF L3 – to be able to solve problems with two or more steps L4 – as above but to do this in your head (with a few jottings!) L5 – as level 4 but to also be able to work with fractions, decimals and percentages Calculations and checking

  5. Calculations and checking – task 1 • Show me boards HWK – On the VLE • Multiplication tables..... • List all of the prime numbers between 1 and 100 • Memorize the first 10

  6. Do you know what this is?

  7. 2012 – Olympic village...

  8. What it looks like now....

  9. Your task..... Car Parks

  10. Tarmacadam

  11. Your tasks...... 1 - In your exercise books put the date and title. 2 - Find the Olympic Village site on ‘Google maps’ 3 - Estimate by using the scale on the map the perimeter of each shape 4 – Work out the area of each shape 5 – Work out the cost of laying the tarmac..

  12. Testing the learning On your white boards.......

  13. Task1 – find it! • Log onto the VLE – my lesson PowerPoint. • ‘2012 Olympic stadium London’ • Click on ‘larger map’ • Look north of ‘A’ and use the zoom tool to view. • Look at the scale..... • 1cm => 200m?

  14. Your task..... Car Parks 1cm = 200m

  15. Task 2 – the perimeter... 1cm = 200m What is the perimeter? – work it out How will the scale help you? Draw the shapes to scale in your books

  16. Task 2a – area...car park 1 1 2 1cm => 200m Regular or irregular? How many rectangles? How many areas? How many calculations? Use your scale drawings..

  17. Test the learning... Mini white boards...

  18. Task 2b – area...car park 2 1 2 1cm => 200m Regular or irregular? Do you know the equation? How many triangles? How many areas? How many calculations?

  19. Area of a triangle... Perpendicular Height Base Area of a triangle = ½ X base X perpendicular height 1

  20. Costs....1 Tarmac costs £55 per tonne 1 tonne of Tarmac will cover 0.5 m2 How many tonnes of tarmac will you need?

  21. Costs....2 If kerb stones cost £5.50 per meter, how much will the kerbing cost?

  22. Costs....3 Labour costs £10 per hour per person, if 50 people work on this project for 4 weeks working from 9am to 5pm 6 days a week , how much will the labour cost?

  23. Total cost What will the total cost be? (Cost 1 + cost2 + cost3 =total cost)

  24. Test the learning... Mini white boards...

  25. WALT Use and apply our knowledge of ‘BODMAS’ to work out areas of regular and irregular shapes WILF L3 – to be able to solve problems with two or more steps L4 – as above but to do this in your head (with a few jottings!) L5 – as level 4 but to also be able to work with fractions, decimals and percentages Calculations and checking

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