Question 2 - Page 144 - Fast Multiplications Using the Distributive Property - Chapter 6 Class 8 - We Distribute yet things Multiply (Ganita Prakash)
Last updated at January 12, 2026 by Teachoo
Fast Multiplications Using the Distributive Property
Fast Multiplications Using the Distributive Property
Last updated at January 12, 2026 by Teachoo
Transcript
Question 2 - Page 144 What could be a general rule to multiply a number by 101 and write the product in one line? Extend this rule for multiplication by 1001, 10001, …We can follow these rules For 11 (10 + 1): Add the digit to the digit 1 places to its right. For 101 (100 + 1): Add the digit to the digit 2 places to its right. For 1001 (1000 + 1): Add the digit to the digit 3 places to its right. For 10001 (10000 + 1): Add the digit to the digit 4 places to its right.