IX A Math Ch-1 Number Systems
01/04/21
Topics Taught:
Screening test
Rational numbers
Inserting Rational numbers
Homework:
Complete Ex1.1
05/04/21
Topics taught:
Irrational numbers
Decimal Expansion of rational numbers
Expressing decimal expansion in p/q form.
Homework:
Ex 1.3 Q1,2,3,4 and 9
06/04/21
Topics taught:
Decimal Expansion of rational numbers.
Inserting irrational numbers between two rational numbers.
Visualizing rational numbers on numberline.
Homework:
Ex 1.3 Q 5,6,7,8 and Ex 1.4
07/04/21
Topics taught:
Representation/ locating of irrational numbers on number line.
Properties of irrational numbers.
Homework:
Ex 1.2
08/04/21
Topics taught:
Operation on real numbers.
Rationalizing the denominator.
Classwork:
Points to be written in book:
(i) The sum or difference of a rational number and an irrational number is irrational.
(ii) The product or quotient of a non-zero rational number with an irrational number is irrational.
(iii) If we add, subtract, multiply or divide two irrationals, the result may be rational or irrational.
Solved Examples:
Homework:
Ex 1.5 Q1,2,5
09/04/21
Topics taught:
Laws of Exponent for Real numbers.
Classwork: