Multiplying By 101
Multiplying By 101 When multiplying a 2 digit number by 101, simply write the number down twice. 53 x 101 = 5353. 49 x 101 = 4949. B. Sometimes there are variations of 101 like 201, 203, 104, etc. In problems like these you can use the following: 23 x 203 =_________. a) Multiply 23 x 2 = 46. b) Multiply 23 x 3 = 69. c) The answer is 4669. When multiplying a 3 digit number by 101 the following rules apply: 1. Write down the last 2 digits of the number. 2. Take the number in the hundred’s digit and add back to the number. 453 x 101 =_________. a) Write 53. b) 4 + 453 = 457. Write 457 c) The answer is 45753. Ex [2] 998 x 101 =_________. a) Write 98. b) 9 + 998 = 1007. Write 1007. c) The answer is 100798.