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International Baccalaureate Mathematics

Number and Algebra

These are the Transum resources related to the statement: "Operations with numbers in the form a × 10k 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.

Here are some exam-style questions on this statement:

See all these questions

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 5.2×1030.

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.


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