1. Standard Form & Ordinary Numbers – Converting – Bingo Only Answers
Students should choose nine answers from the grid and place them
randomly into a 3x3 square in their book.
You may want to 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… 0.00102 3.4 x 103 60500 6.055 x 104 3.4 x 10-3
3400
1.2 x 10-4
0.0034
5.12 x 101
1.5 x 103
15000
512
1.05 x 10-2
3.69 x 10-3
Draw a 3x3 grid in your book.

4. Convert this to an ordinary number.
1.5 x 104 = 15000

5. Convert this to an ordinary number.
3.4 x 103 = 3400

6. Convert this number to standard form.
= 3.69 x 10-3

7. Convert this to an ordinary number.
1.5 x 10-4 =

8. Convert this number to standard form.
51.2 = 5.12 x 101

9. Convert this to an ordinary number.
3.4 x 10-3 =

10. Convert this number to standard form.
1500 = 1.5 x 103

11. Convert this to an ordinary number.
1.02 x 10-3 =

12. Convert this number to standard form.
60550 = x 104

13. Convert this number to standard form.
3400 = 3.4 x 103

14. Convert this to an ordinary number.
5.12 x 102 = 512

15. Convert this to an ordinary number.
6.05 x 10-3 =

16. Convert this number to standard form.
= 1.05 x 10-2

17. Convert this number to standard form.
= 1.2 x 10-4

18. Convert this number to standard form.
= 3.4 x 10-3

19. Convert this to an ordinary number.
6.05 x 104 = 60500

21. tom@goteachmaths.co.uk Questions? Comments? Suggestions?
…or have you found a mistake!?
Any feedback would be appreciated .
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