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• Slides in PDF (one slide per page, suitable for importing into IWB software)

• A knowledge of the four operations from lessons N2a, N2b, N2c, N2d and N2e is assumed.
• N9a – Converting between normal numbers and standard form
• N9b – Multiplying and dividing in standard form

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Skill isolation: Writing a number given in standard form with a different power of 10

Sometimes it is useful to take a number given in standard form and rewrite it so that it has a different power of 10, even though this will mean the number is no longer in standard form. Use this applet to practise this skill.

Adding and subtracting in standard form

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[/toggle] [/accordion] [accordion] [toggle title=”What next?” state=”closed”] Although there are no questions involving standard form in lesson N15a – Rounding numbers and measures to an appropriate degree of accuracy, once you have learned about rounding numbers to a given amount of significant figures, you should become comfortable with rounding numbers in standard form to a given number of significant figures. For example: \(7.286 \times 10^5\text{ rounds to }7.3 \times 10^5 \text{ to 2 significant figures}\) [/toggle] [/accordion]