Page 110 - Demo

Arrow-Puffin-3_Semester-1 Maths 109ADDITIONAddition means putting two or more numbers together.The total of two or more numbers is called its sum.The numbers which are added together or which are put together are called addends.Let's Understand Conceptual UnderstandingThere are 532 boys and 227 girls in a school. How many students are there altogether?To find the total number of students, we add the number of girls and boys.Th H T O 5 3 2+ 2 2 7 7 5 9%u2192 addend%u2192 addend%u2192 sumTherefore, total number of students = 759.%u2022 When 0 is added to any number, the sum remains the number to which 0 is added.Examples: 421 + 0= 421; 28 + 0= 28; 4275 + 0= 4275%u2022 When two numbers (greater than zero) are added, the sum is always greater than each of the numbers added.Example: 72 + 26 = 98; 98 > 72 Also,98 > 26PROPERTIES OF ADDITIONLet's Understand Conceptual Understanding