Difference between revisions of "Surds"
Line 76: | Line 76: | ||
Example: <math>2\sqrt{5}+3\sqrt{5}-\sqrt{5}</math><br> | Example: <math>2\sqrt{5}+3\sqrt{5}-\sqrt{5}</math><br> | ||
4.Multiplication of surds. | 4.Multiplication of surds. | ||
− | Example: <math>\ | + | Example: <math>\7sqrt{3} X 2\sqrt{5}</math><br> |
===Activities=== | ===Activities=== |
Revision as of 16:16, 12 August 2014
Philosophy of Mathematics |
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Concept Map
Error: Mind Map file Surds in Manjesh.mm
not found
Textbook
Please click here for Karnataka and other text books.
Additional Information
Useful websites
- Surds starts with basic concepts,(to view the next page, please click on previous/up/next options in the bottom of the page
- Please refer Wikipedia page for Surds. This page discusses SuFNcY1z8dr6srds in detail.
- surds and other rootsThis page discusses surds and roots in detail.
- Video on Surds from Youtube :simplifying surds,rationalising surds,dividing and multiplying surds
Reference Questions
- what is the meaning of surds?
- Difference between like and unlike surds.
- Meaning of Pure and mixed surds.
- Simplification of rationalising the denominator.
Teaching Outlines
Concept 1: Definition of surds
Learning objectives
- know the meaning of surds
- recognising radicand and order of surds
Notes for teachers
If you can't simplify a number to remove a square root (or cube root etc) then it is a surd. If it is a root and irrational, it is a surd. But not all roots are surds.
Activities
- Activity1
Concept-2: Like and Unlike surds
Learning objectives
- Know the meaning of surd
- recognising the meaning of order and radicand
- Examples of like and unlike surds
- To change surd to simplest form
- Addition and Multiplication og surds
Notes for teachers
1.Like surds: A group of surds having same order and same radicand in their simplest form.
Example:
2.Unlike surds: Groups of surds having different orders or different radicandsor both in their simplest form.
Example:
3.Addition and sustraction of surds.
Example:
4.Multiplication of surds.
Example: Failed to parse (syntax error): {\displaystyle \7sqrt{3} X 2\sqrt{5}}
Activities
- Activity No:1 Like surds
- Activity No:2 Unlike surds
Assessment activities for CCE
Hints for difficult problems
Project Ideas
Hints for difficult problems
Please clickhere\here
Project Ideas
KOER_Mathematics_2014-15#Resources_and_handouts
Math Fun
Teachers contributions for this page
- Tharanath Achar Sir, Graduate Assistant. Govt. P U College, Belthangady