1. Diane made a necklace for her doll using 54 green beads and 78 blue beads. How many beads does the necklace have?   2. Sarah has two dolls. The first doll costs $ 16 and the second costs $ 21. How many dollars do the two dolls cost?   3. John empties 20 marbles from a small box into a big box that already contains 477 marbles. How many marbles are now there in the big box?   4. Mark arranges 26 blocks in four stacks. He then arranges 113 blocks in six stacks. How many blocks did he arrange in the ten stacks?   5. Gary likes toy vehicles. He has 19 cabs and 47 buses. How many toy vehicles does he have?