1. Stacy made a necklace for her doll using 72 blue beads and 90 red beads. How many beads does the necklace have?   2. Cheryl has two dolls. The first doll costs $ 40 and the second costs $ 14. How many dollars do the two dolls cost?   3. Robert empties 73 marbles from a small box into a big box that already contains 637 marbles. How many marbles are now there in the big box?   4. Ronald arranges 31 blocks in four stacks. He then arranges 93 blocks in six stacks. How many blocks did he arrange in the ten stacks?   5. Jack likes toy vehicles. He has 20 cars and 32 trucks. How many toy vehicles does he have?