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Year 1 Credit Mathematics

Year 1 Credit Mathematics. Chapter 1. Calculations and the Calculator. Standard Form Scientific Notation - Calculator. Lesson Objective. To be able to use the calculator to calculate values using scientific notation. Sunday, 26 October 2014. Standard Form Recap. –.

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Year 1 Credit Mathematics

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  1. Year 1 Credit Mathematics Chapter 1 Calculations and the Calculator Standard Form Scientific Notation - Calculator Lesson Objective To be able to use the calculator to calculate values using scientific notation. Sunday, 26 October 2014

  2. Standard Form Recap –

  3. P la n e ta ry D a ta S u n Ma s s 2 000 000 000 000 000 000 000 000 000 000 kg

  4. Planetary Data Jupiter mass 2 000 000 000 000 000 000 000 000 000 kg

  5. Pl a n et a r y Data E art h mass 6 000 000 000 000 000 000 000 000 kg

  6. Planetary Data Moon mass 70 000 000 000 000 000 000 000 kg

  7. Can you write these numbers in standard form? 2 000 000 000 000 000 000 000 000 000 000 2 000 000 000 000 000 000 000 000 000 6 000 000 000 000 000 000 000 000 70 000 000 000 000 000 000 000

  8. How did you do? 2 000 000 000 000 000 000 000 000 000 × 10 30 2 000 000 000 000 000 000 000 000 000 × 10 27 6 000 000 000 000 000 000 000 000 × 10 24 70 000 000 000 000 000 000 000 × 10 22

  9. Planetary Data Sun diameter 1 390 000 km

  10. Planetary Data Jupiter diameter 143 000 km

  11. Planetary Data Earth diameter 13 000 km

  12. Planetary Data Moon mass 3476 km

  13. Can you write these numbers in standard form? 1 390 000 143 000 13 000 3476

  14. You are here World Population: 6 450 000 000 = 6.45 billion = 6.45 × 10 9

  15. Year 1 Credit Mathematics Chapter 1 Calculations and the Calculator Standard Form Scientific Notation - Calculator Starter A Calculate the following B Find the length of x (b) 5÷ 5 (a) 3 x 9 pythagoras 6 3 5 10 10cm 102 = x2 + 82 5x 3 27 x cm 6 5 100 = x2 + 64 50 100 - 64 = x2 1 20cm 2 36 = x2 6 = x2 C Write in Scientific Notation (a) 2300 (b) 0.00534 (c) 569200 (d) 0.05060 2. 3 x 103 5.34 x 10-3 5. 692 x 105 5.06 x 10-2 Sunday, 26 October 2014

  16. Year 1 Credit Mathematics Chapter 1 xy 4 0 5 3 Calculations and the Calculator Standard Form Scientific Notation - Calculator We can use scientific notation on the calculator. Depending on your calculator you will use one of the following buttons. xy 10x  EXP EE (you may have to use the shift button) Enter the 5.4x103 into your calculator Calculator Key Presses Sunday, 26 October 2014

  17. Year 1 Credit Mathematics Chapter 1 xy xy 2 3 0 0 8 6 - 1 5 1 1 7 1 1 x x Calculations and the Calculator Standard Form Scientific Notation - Calculator xy 10x  EXP EE (you may have to use the shift button) Not the subtraction button Example: 6.25x10-7 Calculator Keys Example: 8.31x1011 Calculator Keys Sunday, 26 October 2014

  18. Year 1 Credit Mathematics Chapter 1 xy xy ( 0 0 4 ( 8 6 6 ) ) 1 x 0.5 = 1 x x Calculations and the Calculator Standard Form Scientific Notation - Calculator Calculate: 4 x 106 ÷ 8 x 106 It is good practice to put each value in brackets Sunday, 26 October 2014

  19. Year 1 Credit Mathematics Chapter 1 Calculations and the Calculator Revision Non calculator methods NO CALCULATOR Now try p3 Ex 1.1 Q 1 to 7 Show your working Complete for Next Lesson Extension Investigation Questions Page 2 Q1 and Q2 Complete for Next Lesson Homework Complete Homework Sheet 1 on or before Monday Sunday, 26 October 2014

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