1. Standard Form – Multiplying & Dividing Standard Form – Non-Calculator
– 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… 4.3 × 102 9.6 × 105 1.9 × 10-5 6 × 104 3 × 103
5.1 × 106
3.9 × 106
9.6 × 106
5.2 × 101
1.1 × 102
2.2 × 104
1.2 × 10-7
1.3 × 105
7.5 × 104
1.4 × 10-3
2 × 10-2
Draw a 3x3 grid in your book.

4. Work out the value of
(2.4 × 103) × (4 × 102)
Write your answer in standard form correct to 2 sf.
(2.4 × 4) × (103 × 102)
9.6 × 105

5. (2.4 × 108) ÷ (4 × 103) (2.4 ÷ 4) × (108 ÷ 103) (0.6) × (105) 6 × 104
Work out the value of
(2.4 × 108) ÷ (4 × 103)
Write your answer in standard form correct to 2 sf.
(2.4 ÷ 4) × (108 ÷ 103)
(0.6) × (105)
6 × 104

6. Work out the value of
(2.12 × 104) ÷ (4 × 102)
Write your answer in standard form correct to 2 sf.
(2.12 ÷ 4) × (104 ÷ 102)
(0.52) × (102)
5.2 × 101

7. (2.8 × 10-6) × (5 × 104) (2.8 × 5) × (10-6 × 102) (14) × (10-4)
Work out the value of
(2.8 × 10-6) × (5 × 104)
Write your answer in standard form correct to 2 sf.
(2.8 × 5) × (10-6 × 102)
(14) × (10-4)
1.4 × 10-3

8. Work out the value of
(6 × 105) ÷ (2 × 102)
Write your answer in standard form correct to 2 sf.
(6 ÷ 2) × (105 ÷ 102)
3 × 103

9. Work out the value of
(2.5 × 106) × (3 × 102)
Write your answer in standard form correct to 2 sf.
(2.5 × 3) × (106 × 102)
7.5 × 104

10. Work out the value of
(2.55 × 107) ÷ (5 × 101)
Write your answer in standard form correct to 2 sf.
(2.55 ÷ 5) × (107 ÷ 101)
(0.51) × (106)
5.1 × 106

11. (6.2 × 10-2) × (3 × 10-4) (6.2 × 3) × (10-2 × 10-4) (18.6) × (10-6)
Work out the value of
(6.2 × 10-2) × (3 × 10-4)
Write your answer in standard form correct to 2 sf.
(6.2 × 3) × (10-2 × 10-4)
(18.6) × (10-6)
1.9 × 10-5

12. Work out the value of
(1.3 × 104) × (3 × 103)
Write your answer in standard form correct to 2 sf.
(1.3 × 3) × (104 × 103)
3.9 × 106

13. Work out the value of
(4.8 × 10-2) ÷ (4 × 105)
Write your answer in standard form correct to 2 sf.
(4.8 ÷ 4) × (10-2 ÷ 105)
1.2 × 10-7

14. (3 × 106) × (4.2 × 10-2) (3 × 4.2) × (106 × 10-2) (12.6) × (104)
Work out the value of
(3 × 106) × (4.2 × 10-2)
Write your answer in standard form correct to 2 sf.
(3 × 4.2) × (106 × 10-2)
(12.6) × (104)
1.3 x 105

15. Work out the value of
(1.6 × 102) × (6 × 104)
Write your answer in standard form correct to 2 sf.
(1.6 × 6) × (102 × 104)
9.6 × 106

16. (1.98 × 103) ÷ (9 × 10-2) (1.98 ÷ 9) × (103 ÷ 10-2) (0.22) × (105)
Work out the value of
(1.98 × 103) ÷ (9 × 10-2)
Write your answer in standard form correct to 2 sf.
(1.98 ÷ 9) × (103 ÷ 10-2)
(0.22) × (105)
2.2 × 104

17. (5.3 × 10-3) × (2 × 105) (5.3 × 2) × (10-3 × 105) (10.6) × (102)
Work out the value of
(5.3 × 10-3) × (2 × 105)
Write your answer in standard form correct to 2 sf.
(5.3 × 2) × (10-3 × 105)
(10.6) × (102)
1.1 × 102

18. Work out the value of
(8 × 103) ÷ (4 × 105)
Write your answer in standard form correct to 2 sf.
(8 ÷ 4) × (103 ÷ 105)
2 × 10-2

19. (1.72 × 10-3) ÷ (4 × 10-6) (1.72 ÷ 4) × (10-3 ÷ 10-6) (0.43) × (103)
Work out the value of
(1.72 × 10-3) ÷ (4 × 10-6)
Write your answer in standard form correct to 2 sf.
(1.72 ÷ 4) × (10-3 ÷ 10-6)
(0.43) × (103)
4.3 × 102

21. tom@goteachmaths.co.uk Questions? Comments? Suggestions?
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