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Simple example with detailed solution for rationalising a single-term, surd denominator.
Adapted from 'Surds: rationalising the denominator simple' by Ben Brawn.
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
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From users who are members of Prearrival :
| John Hodkinson | said | Ready to use | 8 years, 8 months ago |
Luke Park
|
said | Needs to be tested | 8 years, 8 months ago |
History
John Hodkinson 8 years, 8 months ago
Gave some feedback: Ready to use
Luke Park 8 years, 8 months ago
Gave some feedback: Needs to be tested
Luke Park 8 years, 8 months ago
Created this as a copy of Surds: rationalising the denominator simple.| Name | Status | Author | Last Modified | |
|---|---|---|---|---|
| Surds: simplifying | Ready to use | Ben Brawn | 12/02/2025 00:21 | |
| Surds: multiplication | Ready to use | Ben Brawn | 02/06/2016 06:49 | |
| Surds: fraction of square roots resulting in rational | Ready to use | Ben Brawn | 12/02/2025 00:20 | |
| Surds: square root of fraction resulting in rational | Ready to use | Ben Brawn | 12/02/2025 00:20 | |
| Surds: rationalising the denominator simple | Ready to use | Ben Brawn | 12/02/2025 00:20 | |
| Surds: rationalising the denominator conjugate | Ready to use | Ben Brawn | 12/02/2025 00:14 | |
| Tore's copy of Surds: simplifying | Ready to use | Tore Gaupseth | 01/06/2016 09:47 | |
| Numbers VI: surds (rationalising the denominator - simple EXAMPLE) | Ready to use | Luke Park | 08/08/2016 16:06 | |
| Numbers VI: surds (rationalising the denominator - conjugate EXAMPLE) | Ready to use | Luke Park | 08/08/2016 16:41 |
There are 4 other versions that do you not have access to.
| Name | Type | Generated Value |
|---|
| questnum | integer |
10
|
||||
| questdenmult | integer |
5
|
||||
| questdensurd | integer |
14
|
||||
| tempden | integer |
70
|
||||
| cancel | number |
10
|
||||
| ansnummult | number |
1
|
||||
| ansden | number |
7
|
| Name | Type | Generated Value |
|---|
| listsquares | list |
Nested 12×2 list
|
||||
| listprimes | list |
[ 2, 3, 5, 7, 11 ]
|
||||
| listsquare | list |
[ [ 6, 36 ], [ 8, 64 ] ]
|
||||
| fcf | integer |
4
|
||||
| square1 | list |
[ 6, 36 ]
|
||||
| square2 | list |
[ 8, 64 ]
|
||||
| listprime | list |
[ 11, 5 ]
|
||||
| arg2 | number |
320
|
||||
| prime1 | integer |
11
|
||||
| prime2 | integer |
5
|
||||
| extra | integer |
7
|
||||
| ansmult | number |
336
|
||||
| ansarg | integer |
55
|
||||
| questnum2 | number |
144
|
||||
| questden | number |
256
|
||||
| gcff | number |
2
|
||||
| num_wo_cf | number |
5
|
||||
| den_wo_cf | number |
128
|
Generated value: integer
10
→ Used by:
- ansnummult
- cancel
- gcff
- num_wo_cf
- questdenmult
- "Unnamed part" - prompt
- "Unnamed part" → "Unnamed step" - prompt
Use this tab to check that this question works as expected.
| Part | Test | Passed? |
|---|---|---|
| Gap-fill | ||
| Hasn't run yet | ||
| Number entry | ||
| Hasn't run yet | ||
| Number entry | ||
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| Number entry | ||
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| Information only |