1. Michelle made a necklace for her doll using 30 green beads and 43 red beads. How many beads does the necklace have?   2. Sarah has two dolls. The first doll costs $ 3 and the second costs $ 6. How many dollars do the two dolls cost?   3. Arthur empties 32 marbles from a small box into a big box that already contains 21 marbles. How many marbles are now there in the big box?   4. Arthur arranges 28 blocks in four stacks. He then arranges 25 blocks in six stacks. How many blocks did he arrange in the ten stacks?   5. Arthur likes toy vehicles. He has 5 buses and 34 cars. How many toy vehicles does he have?