1. Debbie bought 4 dolls. Each doll cost $ 2. How many dollars did she spend on the dolls?   2. Cheryl has 2 dolls. Each doll has a blue dress, a white dress, and a red dress. How many dresses are there in all?   3. Andy has 7 toy cars. How many total wheels are there on the toy cars?   4. Andy arranges 9 blocks in a tall stack. He makes 4 such stacks. How many total blocks are there in the stacks?   5. Stacy multiplied 5 by 9 on her toy calculator. What product did the calculator display?