1. Cheryl bought 4 dolls. Each doll cost $ 3. How many dollars did she spend on the dolls?   2. Debbie has 2 dolls. Each doll has a red dress, a blue dress, and a white dress. How many dresses are there in all?   3. Brian has 2 toy cars. How many total wheels are there on the toy cars?   4. Brian arranges 8 blocks in a tall stack. He makes 4 such stacks. How many total blocks are there in the stacks?   5. Diane multiplied 10 by 6 on her toy calculator. What product did the calculator display?