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31-Oct-14

31-Oct-14. Test. Level F – Fri 12 th Dec. Revise. Chapter 13 - Decimals. Chapter 7 – Scientific Notation. Chapter 37 – Drawing Skills. Chapter 47 – Time / Distance / Speed. 31-Oct-14. Scientific Notation. Learning Intention. Success Criteria.

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31-Oct-14

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  1. 31-Oct-14 Test Level F – Fri 12th Dec Revise Chapter 13 - Decimals Chapter 7 – Scientific Notation Chapter 37 – Drawing Skills Chapter 47 – Time / Distance / Speed

  2. 31-Oct-14 Scientific Notation Learning Intention Success Criteria • To be able to put large numbers into scientific notation. • To revise Level F work.

  3. 31-Oct-14 Scientific Notation A very quick method for find the scientific notation: Example : Write 3800 in scientific notation 3.8 Step 1 : move decimal point till it comes between 1st and 2nd digits Step 2 : now count how many places that you have have moved the point. 3 Step 3 : finally write this number (3) as the power of 10. 3.8 x 103

  4. 31-Oct-14 Scientific Notation A very quick method for find the scientific notation: Example : Write 2740000 in scientific notation 2.74 Step 1 : move decimal point till it comes between 1st and 2nd digits Step 2 : now count how many places that you have have moved the point. 6 Step 3 : finally write this number (6) as the power of 10. 2.74 x 106

  5. 31-Oct-14 Scientific Notation Quick method for going from scientific notation to number form: Example : Write 5.78 x 104 in full Step 1 : Write down 578 without the point. Step 2 : Move the point 4 places to the right. 2 zero’s are added for blank spaces. 57800

  6. 31-Oct-14 Scientific Notation Quick method for going from scientific notation to number form: Example : Write 3.92 x 103 in full Step 1 : Write down 392 without the point. Step 2 : Move the point 3 places to the right. 1 zero is added for blank spaces. 3920

  7. 31-Oct-14 Scientific Notation It is possible to write very small decimal numbers in scientific notation Example : Write 0.000456 in scientific notation 4.56 Step 1 : move decimal point till it is after 1st non zero digit Step 2 : now count how many places that you have have moved the point. 4 Step 3 : finally write this number (4) as the negative power of 10. 4.56 x 10-4

  8. 31-Oct-14 Scientific Notation Reversing the process scientific notation to a very small decimal number Example 1 : Write 1.7 x 10-3 in full 0.0017 Simply move the point 3 places to the left Example 2 : Write 3.5 x 10-5 in full Simply move the point 5 places to the left 0.000035 Example 3 : Write 2.39 x 10-4 in full 0.000239 Simply move the point 4 places to the left

  9. 31-Oct-14 Scientific Notation Now try Topic in a Nutshell Page 45

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