Whole Numbers

This unit is about whole numbers that is: - Numbers and their symbols - Forming numbers using basic digits - Arrange the given numbers in increase and decrease order. - Grouping in ones, tens and hundreds. - Representing numbers on the abacus and writing numbers from the abacus. - Finding numbers represented on the abacus. - Writing numbers in words and figures. - Place values of numbers. - Expanded form of natural numbers. - Values of numbers (digits) - Adding numbers using the abacus. - Subtracting numbers using the abacus. - Roman numerals up to 100 (C). - Changing Hindu Arabic Numerals to Roman Numerals and Vice versa. - Application on Roman Numerals.