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Introduction to standard index form: Difference between revisions
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{{Rinfo | {{Rinfo | ||
|type= Lesson idea | |||
|attribution={{MarkDawes}} | |attribution={{MarkDawes}} | ||
|subject=Maths | |subject=Maths | ||
|resourcenumber= M002 | |resourcenumber= M002 | ||
|final=yes | |final=yes | ||
|age= age 12-16, | |age= KS4, KS3, age 12-16, 6th form as a recap, Secondary | ||
|title=An Introduction to Standard Index Form | |title=An Introduction to the Standard Index Form | ||
|topic=Standard Index Form | |topic=Standard Index Form | ||
|tagline=Working out the rules | |tagline=Working out the rules according to which a calculator displays large numbers | ||
|image= StdIndexFormE.png | |image= StdIndexFormE.png | ||
|content= Numbers that are too big for the calculator's 10-digit display are shown in standard index form. Many calculators now use ×10n but older calculators may use ‘E’ in the display instead. This activity is for secondary school pupils who are unfamiliar with standard index form. It is an intriguing one hour investigation where pairs of students explore the way a calculator converts numbers. They may well find out how it works for themselves. | |content= Numbers that are too big for the calculator's 10-digit display are shown in standard index form. Many calculators now use ×10n but older calculators may use ‘E’ in the display instead. This activity is for secondary school pupils who are unfamiliar with standard index form. It is an intriguing one hour investigation where pairs of students explore the way a calculator converts numbers. They may well find out how it works for themselves. | ||
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|additional resources=This was written for use with TI-82 Graphical Calculators, but new scientific calculators can also be used. | |additional resources=This was written for use with TI-82 Graphical Calculators, but new scientific calculators can also be used. | ||
|Learning Objectives=Students should be able to: | |Learning Objectives=Students should be able to: | ||
* convert numbers between standard index form and ordinary form | * convert numbers between standard index form and ordinary form, | ||
* recognise whether a number is in standard index form or not | * recognise whether a number is in standard index form or not. | ||
|useful information= | |useful information= | ||
|related resources= | |related resources= | ||
|other= | |other=This activity will take at least an hour. | ||
|resources= The | |resources= The [[Introduction to standard index form/Teacher Notes]] contains teacher notes, a PowerPoint presentation and an Excel worksheet to be used for an activity on numbers in the solar system. All three files are also available to download:<br /> | ||
* [[file:introduction to standard index form - teacher notes.doc]], | |||
* [[file:standard index form.ppt]], | |||
* [[file:solar system data.xls]]. | |||
}} | }} | ||
[[Category:Maths]] [[Category:Secondary]] [[Category:ORBIT]] | [[Category:Maths]] [[Category:Secondary]] [[Category:ORBIT]] | ||
