How many two-digit numbers can be made from digits 2, 3, and 4? (Use Grid Table.)

- without repetition of digits

- with repetition

Find the total number of possible outcomes if a fair 4-sided die is rolled twice. (Use tree diagram). Enumerate all the possible outcomes.

You are going to a ball game. You are thinking of jeans or shorts to wear with a blue, red or white shirt, to go with your scarf or cap. How many different combinations can you come up with? Use the systematic listing method.