Page 157 - Demo

156 Arrow-Puffin-3_Semester-1 MathsMULTIPLICATION OF A 2 AND 3-DIGIT NUMBER BY A 2-DIGIT NUMBER (With Carrying)Example 1: Multiply 32 by 24.%u2192 %u00d7 4%u2192 %u00d7 20H T O 3 2%u00d7 2 41 2 86 4 07 6 8%u2192 %u00d7 6%u2192 %u00d7 3H T O 4 8%u00d7 3 62 8 814 4 017 2 82 4Find the product.1. H T O 4 8x 3 72. H T O 9 3x 3 13. H T O 5 6x 4 84. H T O 7 3x 3 25. H T O 8 3x 2 96. H T O 9 7x 4 57. H T O 6 4x 3 38. H T O 2 7x 5 4Example 2: Multiply 48 by 36.%u2022 Multiply 32 %u00d7 4 = 1 2 8%u2022 Multiply 32 %u00d7 20 = 6 4 0 (as 2 is in tens place)%u2022 Add 128 + 640 = 7 6 8 Therefore, 32 x 24 = 768%u2022 Multiply 48 %u00d7 6 = 2 8 8%u2022 Multiply 48 %u00d7 30 = 14 4 0 (as 3 is in tens place)%u2022 Add 128 + 640 = 17 2 8%u0009 %u0009 Therefore, 48 %u00d7 36 = 1728 Let's Practise 4.7 Application