Comprehensive explanation on standard form for ordinary numbers

1. Standard Form & Ordinary Numbers – Converting – Shootout!
Students compete (1v1 in pairs or in teams, at their tables or at the front) to
answer questions the quickest.
Students could write on your whiteboard or their own.
Delete too difficult/easy question slides beforehand.
Click anywhere to start the music, then click ‘Go’ to show the question,
then click again to show the answer.
This game has sound!

5. 100
1 × 102
Convert this Standard Form number
to an Ordinary number.

7. 5 × 103
5000
Convert this number to Standard Form.

9. 0.7
7 × 10−1
Convert this Standard Form number
to an Ordinary number.

11. 5 × 10−2
0.05
Convert this number to Standard Form.

13. 500
5 × 102
Convert this Standard Form number
to an Ordinary number.

15. 6 × 10−4
0.0006
Convert this number to Standard Form.

17. 2.3 × 104
23000
Convert this number to Standard Form.

19. 4300
4.3 × 103
Convert this Standard Form number
to an Ordinary number.

21. 5.6 × 10−2
0.056
Convert this number to Standard Form.

23. 4.92 × 104
49200
Convert this number to Standard Form.

25. 2.05 × 10−2
0.0205
Convert this number to Standard Form.

27. 0.04
4 × 10−2
Convert this Standard Form number
to an Ordinary number.

29. 4.3 × 106
4,300,000
Convert this number to Standard Form.

31. 8.25 × 10−3
0.00825
Convert this number to Standard Form.

33. 0.00073
7.3 × 10−4
Convert this Standard Form number
to an Ordinary number.

35. 3.056 × 105
305600
Convert this number to Standard Form.

37. 20600
2.06 × 104
Convert this Standard Form number
to an Ordinary number.

39. 0.00102
1.02 × 10−3
Convert this Standard Form number
to an Ordinary number.

41. 0.00843
Convert this Standard Form number
to an Ordinary number.
“Eight-point-four-three
times ten to the negative 3”

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