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These are the Transum resources related to the statement: "Operations with numbers in the form a × 10^{k} where 1 ≤ a < 10 and k is an integer".

Here are some specific activities, investigations or visual aids we have picked out. Click anywhere in the grey area to access the resource.

- Standard Form Test your understanding of standard form (scientific notation) with this self-marking quiz.
- Standard Order Arrange the numbers given in standard form with the smallest at the top and the largest at the bottom.

Here are some exam-style questions on this statement:

- "
*(a) Write 0.0000657 in standard form.*" ... more - "
*The following table shows the distance from the sun and mass of the eight planets.*" ... more - "
*At a particular time the distance between Earth and Mercury was \(7.7 \times 10^7\) km.*" ... more - "
*The Moon appears to orbit around the Earth with an average radius of 385 thousand kilometres.*" ... more - "
*The volume of the Moon is \(2.2 \times 10^{10}\) km*" ... more^{3} - "
*The surface gravity, \(g\), of a planet is the gravitational acceleration experienced at its surface. The following formula can be used to find how a planet's gravity compares to Earth's.*" ... more

Click on a topic below for suggested lesson Starters, resources and activities from Transum.

Note that in examinations calculator or computer notation is not acceptable. For example, 5.2E30 is not acceptable and should be written as 5.2×10^{30}.

If you use the TI-Nspire calculator you can find instructions for entering numbers in standard form on the GDC Essentials page.

This video on Scientific Notation is from Revision Village and is aimed at students taking the IB Maths Standard level course.

How do you teach this topic? Do you have any tips or suggestions for other teachers? It is always useful to receive feedback and helps make these free resources even more useful for Maths teachers anywhere in the world. Click here to enter your comments.