### Dictionary Rank of a Word | Permutations & Combinations

PERMUTATIONS & COMBINATIONS Rank of the word or Dictionary order of the English words like COMPUTER, COLLEGE, SUCCESS, SOCCER, RAIN, FATHER, etc. Dictionary Rank of a Word Method of finding the Rank (Dictionary Order) of the word  “R A I N” Given word: R A I N Total letters = 4 Letters in alphabetical order: A, I, N, R No. of words formed starting with A = 3! = 6 No. of words formed starting with I = 3! = 6 No. of words formed starting with N = 3! = 6 After N there is R which is required R ----- Required A ---- Required I ---- Required N ---- Required RAIN ----- 1 word   RANK OF THE WORD “R A I N” A….. = 3! = 6 I……. = 3! = 6 N….. = 3! = 6 R…A…I…N = 1 word 6 6 6 1 TOTAL 19 Rank of “R A I N” is 19 Method of finding the Rank (Dictionary Order) of the word  “F A T H E R” Given word is :  "F A T H E R" In alphabetical order: A, E, F, H, R, T Words beginni

### Lesson Plan Maths Class 10 | For Mathematics Teacher

E-LESSON PLANNING  FOR MATHEMATICS TEACHER CLASS 10TH

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LESSON PLAN (Mathematics) : CLASS 10th

Techniques of Making E-Lesson Plan : Click Here

## Chapter 1 : Number System This lesson plan is for the teachers who are teaching mathematics class 10th

New Lesson Plan with Technology Integration as suggested by CBSE in March, 2021
Class 10 Chapter 1 : Number System

## Chapter 2 : POLYNOMIALS This lesson plan is for the teachers who are teaching mathematics class 10th

## Chapter 3 PAIR OF LINEAR EQUATIONS IN  TWO VARIABLES This lesson plan is for the teachers who are teaching mathematics class 10th

## Chapter 4 QUADRATIC EQUATIONS

This lesson plan is for the teachers who are teaching mathematics class 10th

## Chapter 5ARITHMATIC PROGRESSION This lesson plan is for the teachers who are teaching mathematics class 10th

## Chapter 6SIMILARITY OF TRIANGLES This lesson plan is for the teachers who are teaching mathematics class 10th

## Chapter 7CO-ORDINATE GEOMETRY This lesson plan is for the teachers who are teaching mathematics class 10th

## Chapter 8 and 9TRIGONOMETRY This lesson plan is for the teachers who are teaching mathematics class 10th

## Chapter 10TANGENT TO THE CIRCLE This lesson plan is for the teachers who are teaching mathematics class 10th

## Chapter 11CONSTRUCTIONS This lesson plan is for the teachers who are teaching mathematics class 10th

## Chapter 12AREA RELATED TO THE PLANE FIGURES This lesson plan is for the teachers who are teaching mathematics class 10th

## Chapter 13SURFACE AREA & VOLUMES This lesson plan is for the teachers who are teaching mathematics class 10th

## Chapter 14 :STATISTICS This lesson plan is for the teachers who are teaching mathematics class 10th

## Chapter 15 : PROBABILITIES This lesson plan is for the teachers who are teaching mathematics class 10th

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