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Guides the student through the process of writing an integer in binary. They can pick any number they like, then choose from a selection of methods, or just do their own method and have the answer checked.
Metadata
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England schools
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England university
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Scotland schools
Taxonomy: mathcentre
Taxonomy: Kind of activity
Taxonomy: Context
Contributors
History
Christian Lawson-Perfect 2 years, 5 months ago
Published this.Christian Lawson-Perfect 2 years, 5 months ago
Created this.There is only one version of this question that you have access to.
| Name | Type | Generated Value |
|---|
| n | integer |
3435
|
||||
| working_n | integer |
3435
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| largest_power_of_2 | number |
2048
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| powers | list |
[ ]
|
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| subtracting_powers_description | string |
3435
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| binary_encoding | string |
110101101011
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| is_odd | boolean |
true
|
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| odds | list |
[ ]
|
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| dividing_description | string |
3435
|
Generated value: integer
3435
This variable doesn't seem to be used anywhere.
Parts
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Pick a number
Number entry
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Choose your path
Information only
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What's the largest power of 2?
Number entry
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Finished subtracting powers of 2
Information only
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Write the binary encoding - subtracted powers
Match text pattern
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Binary encoding hint - subtracted powers
Information only
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Subtract 1 if odd
Yes/no
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Finished dividing by 2
Information only
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Write the binary encoding - dividing by 2
Match text pattern
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Binary encoding hint - dividing by 2
Information only
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Write the binary encoding - own method
Match text pattern
Use this tab to check that this question works as expected.
| Part | Test | Passed? |
|---|---|---|
| Number entry | ||
| Hasn't run yet | ||
| Information only | ||
| Number entry | ||
| Hasn't run yet | ||
| Information only | ||
| Match text pattern | ||
| Hasn't run yet | ||
| Information only | ||
| Yes/no | ||
| Hasn't run yet | ||
| Information only | ||
| Match text pattern | ||
| Hasn't run yet | ||
| Information only | ||
| Match text pattern | ||
| Hasn't run yet |
This question is used in the following exams: