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Arrow-Puffin-4_Semester-1 Maths 113%u2022 Addition %u2022 Properties of Addition%u2022 Addition of 10, 100, 1000 and 10,000 to a Number%u2022 Addition of Bigger Numbers %u2022 Addition of Three Numbers %u2022 Estimation of Sum%u2022 Subtraction %u2022 Properties of Subtraction%u2022 Subtraction of 10, 100, 1000 and 10,000 from a Number%u2022 Subtraction of Bigger Numbers %u2022 Subtraction-Inverse of Addition%u2022 Combined Operations of %u2022 Estimation of Difference Addition and SubtractionADDITIONAddition is one of the four basic operations of arithmetic. In addition, we combine two or more numbers to find the total or sum.Example : Add 8,405 and 6,707.TTh Th H T O1 18 4 0 5+ 6 7 0 7The sum of 8,405 and 6,707 is 15,112. 1 5 1 1 2I. Add the following.a. TTh Th H T O4 2 8 7+ 2 3 6 0b. TTh Th H T O3 8 7 5+ 2 8 3 9c. TTh Th H T O5 1 8 9+ 2 0 7 6d. TTh Th H T O4 1 2 8+ 3 5 9 7Addition and SubtractionLearning OutcomesLet's Understand Conceptual Understanding Let's Practise 3.1 Application3