Checking and securing understanding of writing small numbers in standard form

12 questions

1. A number written in exponential form represents a repeated __________.
2. Match each fraction to its equivalent exponential form.
3. 3\times10^{-2}+2\times10^{-5}+8\times10^{-6} represents the number ___.
4. Why is standard form important?
5. {2.45}\times10^{6} as an ordinary number is ___.
6. Work out \frac{1}{10} + 10^{-1} + \frac{1}{100} + 10^{-2} + \frac{1}{1000}+ 10^{-3}. The answer as a decimal is ___.
7. Match each ordinary number to its standard form equivalent.
8. Which of the following have **not** been written in standard form?
9. Match each number to its correct standard form equivalent.
10. Starting with the smallest, put these numbers into ascending order of size.
11. Some Oak pupils estimate the size of a cell. Their teacher says, "Well done! The person who has written down the smallest answer is correct!" Who has the right answer?
12. Match each living creature to its length.

License: OGL