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Rounding – Significant Figures – Bingo Method

Rounding – Significant Figures – Bingo Method Students should choose nine answers from the grid and place them randomly into a 3x3 square in their book. Mix up the slides, or pause your display and choose questions according to difficulty during the game.

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Rounding – Significant Figures – Bingo Method

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  1. Rounding – Significant Figures – Bingo Method Students should choose nine answers from the grid and place them randomly into a 3x3 square in their book. Mix up the slides, or pause your display and choose questions according to difficulty during the game. Depending on time, students could win with a line, an X, or a ‘full house’ (all).

  2. Printing To print handouts from slides - Select the slide from the left. Then click: File > Print > ‘Print Current Slide’ To print multiple slides - Click on a section title to highlight all those slides, or press ‘Ctrl’ at the same time as selecting slides to highlight more than one. Then click: File > Print > ‘Print Selection’ To print double-sided handouts - Highlight both slides before using ‘Print Selection’. Choose ‘Print on Both Sides’ and ‘Flip on Short Edge’.

  3. Choose your numbers… Draw a 3x3 grid in your book.

  4. Round this number to 1 sf. 0.0714 0.07 Stay or go up?

  5. Round this number to 2 sf. 126.5 130 Stay or go up?

  6. Round this number to 3 sf. 0.04835 0.0484 Stay or go up?

  7. Round this number to 2 sf. 1.546 1.5 Stay or go up?

  8. Round this number to 3 sf. 0.89628 0.896 Stay or go up?

  9. Round this number to 1 sf. 0.628 0.6 Stay or go up?

  10. Round this number to 2 sf. 14.53 15 Stay or go up?

  11. Round this number to 3 sf. 0.26554 0.266 Stay or go up?

  12. Round this number to 2 sf. 0.1952 0.20 Stay or go up?

  13. Round this number to 2 sf. 0.05541 0.055 Stay or go up?

  14. Round this number to 1 sf. 4.57 5 Stay or go up?

  15. Round this number to 3 sf. 0.064819 0.0648 Stay or go up?

  16. Round this number to 1 sf. 27.372 30 Stay or go up?

  17. Round this number to 3 sf. 10.533 10.5 Stay or go up?

  18. Round this number to 3 sf. 2.3461 2.35 Stay or go up?

  19. Round this number to 1 sf. 236.9 200 Stay or go up?

  20. Questions? Comments? Suggestions? …or have you found a mistake!? Any feedback would be appreciated . Please feel free to email: tom@goteachmaths.co.uk

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