RATIONAL NUMBERS
What are Rational Numbers
Operations Performed on Rational numbers
Addition
Subtraction
Multiplication
Division
Numerical Word problems
Representation in Decimal
Rational numbers as extension of integers
Decimal representation of
rational numbers
Problem solving using
operations on rational
numbers and decimal
fractions
Fraction as an operator
Reciprocal of a fraction
Multiplication and
division of decimal
fractions
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EXPONENTS
Exponents only natural
numbers.
Laws of exponents
(through observing
patterns to arrive at
generalisation.)
Application of laws of
exponents in simple daily
life problems
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SQUARES AND SQUARE ROOTS
Square and Square roots
using factor method and
division method for
numbers containing (a)
no more than total 4 digits
and (b) no more than 2
decimal places
Division Method to find square roots
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CUBES AND CUBES ROOT
Find Cubes and Cube roots of numbers
Only factor Method for numbers containing more than three digits
PLAYING WITH NUMBERS
Writing and
understanding a 2 and 3
digit number in
generalized form (100a +
10b + c , where a, b, c can
be only digit 0-9) and
engaging with various
puzzles Children to solve
and create problems and
puzzles.
Deducing the divisibility
test rules of 2, 3, 5, 9, 10
for a two or three-digit
number expressed in the
general form
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SETS
Union and intersection of
sets
Disjoint set
Complement of a set
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