CHSE Odisha Business Mathematics & Statistics study plan
CHSE Odisha Business Mathematics & Statistics · Give each week a clear focus.
8 weeks · About 6 hours per week
Differentiation and Its Applications & Matrices and Determinants
State and apply the limit definition of the derivative to compute derivatives of polynomial, rational, and radical functions from first principles
Derive and memorize the product, quotient, and chain rules, then apply them to differentiate composite functions in 15 mixed practice problems without referring to notes
Compute second derivatives and use them to classify stationary points as maxima, minima, or points of inflection in 8 word problems on cost, revenue, and profit
Evaluate 3x3 determinants by cofactor expansion and apply Cramer's rule to solve a 3-variable linear system
Find the inverse of a 2x2 and 3x3 matrix using the adjoint method and verify by multiplication
Your checkpoint
A handwritten formula sheet for differentiation rules plus a scored set of 20 mixed differentiation and matrix problems (target 80% correct)
Differentiation and Its Applications & Integration and Its Applications
Apply derivatives to marginal cost, marginal revenue, elasticity of demand, and maximum-minimum optimization word problems
State the standard integrals of algebraic, exponential, and trigonometric functions and integrate by substitution in 12 problems
Integrate by parts and by partial fractions, choosing the correct method for each of 10 given integrands
Evaluate definite integrals and use them to compute area under a curve and between two curves
Solve 5 applied problems using integration to find total cost from marginal cost and consumer surplus from a demand function
Your checkpoint
A worked portfolio of 15 applications of calculus (optimization, marginal analysis, area, total cost) with each step justified in writing
Matrices and Determinants & Sets, Relations and Functions
Define sets, subsets, power sets, and universal sets and compute cardinalities including the power set size of a 4-element set
Apply De Morgan's laws and set identities to simplify 10 expressions and verify each with a Venn diagram sketch
Classify relations as reflexive, symmetric, transitive, and equivalence relations on small finite sets
Determine domain, range, and inverse of linear, quadratic, and rational functions and identify one-one and onto functions
Solve 2x2 and 3x3 matrix systems by Gaussian elimination and by matrix inversion, and check consistency of a system with no unique solution
Your checkpoint
A one-page summary mapping each set/relation property and each matrix method to a solved example, plus 25 practice items scored
Statistics: Measures of Central Tendency and Dispersion
Compute mean, median, and mode for raw, discrete, and grouped frequency data, including the step-deviation shortcut for grouped means
Compute quartiles, deciles, and percentiles for grouped data and interpret each result in context
Calculate mean deviation about mean and median, and standard deviation and variance by both direct and assumed-mean methods
Compute and interpret coefficient of variation to compare consistency of two data sets
Identify the correct measure of central tendency and dispersion for skewed versus symmetric distributions in 6 short case questions
Your checkpoint
A timed 45-minute self-test on central tendency and dispersion (25 marks) scored and error-logged by mistake type
Correlation and Regression & Probability and Probability Distributions
Construct a scatter diagram mentally from a data table and describe the direction and strength of association
Compute Karl Pearson's coefficient of correlation for raw and grouped data and interpret the sign and magnitude
Derive both regression lines from the correlation coefficient and standard deviations, and predict one variable from the other
State the addition and multiplication theorems of probability and solve problems on mutually exclusive and independent events
Apply conditional probability and Bayes' theorem to 6 two-stage experiment problems
Compute mean and variance of a binomial distribution and solve 5 problems on the Poisson distribution
Your checkpoint
A worked set of 12 problems covering correlation, regression, and probability distributions with a written interpretation sentence for each numeric answer
Permutations and Combinations & Sequence and Series (AP, GP)
Apply the fundamental counting principle, permutations, and combinations to arrangement and selection problems with and without repetition
Solve problems involving circular permutations and restricted arrangements such as vowels kept together
Find the nth term and sum of n terms of an arithmetic progression and solve 8 AP word problems
Find the nth term and sum of a geometric progression, including infinite GP sums where the common ratio is less than one in absolute value
Solve 5 problems combining AP and GP, such as arithmetic-geometric sequences and growth or depreciation applications
Your checkpoint
A formula card for counting and series plus a 20-question practice set on permutations, combinations, AP, and GP scored at 80% or better
Coordinate Geometry: Straight Lines & Index Numbers and Time Series
Derive and apply slope, distance, section, and midpoint formulas and find the equation of a line in slope-intercept, point-slope, and two-point forms
Find the angle between two lines and the condition for parallel and perpendicular lines, and compute perpendicular distance from a point to a line
Find the equation of a line through the intersection of two lines and of a line with a given slope and intercept
Construct Laspeyres, Paasche, and Fisher index numbers from a price and quantity table and interpret each
Compute moving averages and fit a straight-line trend by the least squares method to a short time series
Your checkpoint
A single answer sheet solving 10 coordinate geometry problems and one full index number and time series exercise, with all formulas shown
Differentiation and Its Applications & Integration and Its Applications & Statistics: Measures of Central Tendency and Dispersion & Correlation and Regression & Probability and Probability Distributions
Re-solve every item in your error log from weeks 1 to 7 and confirm each mistake is now corrected
Complete two full-length timed mock papers under exam conditions and record the time spent per section
Review the highest-weight domains (statistics, calculus, probability) using only your own summary sheets
Build a one-page recall sheet of formulas for all 11 domains and recite it from memory in 10 minutes
Your checkpoint
Two completed mock papers with scores, a corrected error log, and a final one-page formula recall sheet
Milestones
Week 2: Score at least 75% on a self-made 20-mark calculus test covering differentiation, optimization, and definite integrals
Week 4: Score at least 70% on the 45-minute statistics test and show a written error log with at least 5 categorized mistakes
Week 6: Score at least 80% on the 20-question counting and series practice set and correctly state all AP and GP formulas from memory
Week 7: Complete the coordinate geometry and index number answer sheet with at least 8 of 10 geometry problems fully correct
Week 8: Score at least 65% on both full-length mock papers and demonstrate a 10-minute formula recall across all 11 domains