Multiplying by Hundreds
• To multiply a number by 100 or 200, 300, 400,……..900, we
simply put two zeros at the right of the product.
• Examples: 9 x 100 = 900
15 x 200 = 3000 ( 15 x 2= 30 and two zeros)
19 x 400 = 7600 ( 19 x 4 = 76 and two zeros )
33 x 300 = 33 x 3 Hundreds
= 99 hundreds
= 9900