Without a calculator multiply each of these numbers by 1001:
| 5 | 46 | 941 | 434 |
| 693 | 978 | 653 | 431 |
| 4231 | 3474 | 3833 | 4471 |
Now look back at your working. Can you find a quick way of doing these calculations in your head? Try this exercise again with different numbers.
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Keywords: Starter
| Arithmetic
| Mental Methods
| Place Value
Good, achieved the results I required
Satisfactory
Didn't really capture the interest of the students
Not for me! I wouldn't use this type of activity.
This starter has scored a mean of 3.5 out of 5 based on 22 votes.
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Answers
| 5005 | 46046 | 941941 | 434434 |
| 693693 | 978978 | 653653 | 431431 |
| 4235231 | 3477474 | 3836833 | 4475471 |