Showing posts with label Multiply any whole number by 9. Show all posts
Showing posts with label Multiply any whole number by 9. Show all posts

Friday, 24 April 2020

Multiply any whole number by 9

Multiply any whole number by 9

METHOD
Step 1. Multiply the original number (Multiplicand) by 10, or just add one zero (0) at the right-hand end of the number
Step 2. Subtract the original number or Multiplicand from the new number worked out in Step 1
Step 3. The difference is the answer.

Example 1. Consider 5 x 9
Step 1. 5 x 10 = 50 or 50
Step 2. 50 - 5
Step 3. Answer 45

Example 2. Consider 67 x 9
Step 1. 67 x 10 = 670 or 670
Step 2. 670 - 67
Step 3. Answer 603

Example 3. Consider 4813 x 9
Step 1. 4813 x 10 = 48130 or 48130
Step 2. 48130 - 4813
Step 3. Answer 43317

Multiply any whole number by 9
Number Step 1 Step 2 Step 3
5 5 x 10 = 50 or 50 50 - 5 = 45 45
67 67 x 10 = 670 or 670 670 - 67 = 603 603
4813 4813 x 10 = 48130 or 48130 48130 - 4813 = 43317 43317