What are two ways to find the answer to 168 times 55 ?
1. Do it by hand calculation. This is equivalent to adding 50 x 168 and 5 x 168.
2. Use a calculator, and get 9240
3. Start with 168 and add 168 to the previous sum 54 times. I don't recommend it
4. Divide 16800 by 2. Add to that 1680/2