Page 117 - Demo

116 Arrow-Puffin-4_Semester-1 Maths%u2022 Add tens. 7 tens + 2 tens = 9 tens Write 9 tens in tens column.%u2022 Write the digits at ten thousands, thousands and hundreds place as it is.Therefore, 32,175 + 23 = 32,198Example 2 : Add 21,604 and 2,172.%u2022 Add ones. 4 ones + 2 ones = 6 ones Write 6 ones in ones column.%u2022 Add tens. 0 ten + 7 tens = 7 tens Write 7 tens in tens column.%u2022 Add hundreds.TTh Th H T O2 1 6 0 42 1 7 22 3 7 7 6 6 hundreds + 1 hundred = 7 hundreds + Write 7 hundreds in hundreds column.%u2022 Add thousands. 1 thousand + 2 thousands = 3 thousands Write 3 thousands in thousands column.%u2022 Write 2 at ten thousands place as it is directly.%u0009 %u0009 Therefore, 21,604 + 2,172 = 23,776Example 3 : Add 23,142 and 13,317.%u2022 Add ones. TTh Th H T O2 3 1 4 21 3 3 1 73 6 4 5 9+ 2 ones + 7 ones = 9 ones Write 9 ones in ones column.%u2022 Add tens. 4 tens + 1 ten = 5 tens Write 5 tens in tens column.