1. Debbie made a necklace for her doll using 11 black beads and 33 blue beads. How many beads does the necklace have?   2. Barbara has two dolls. The first doll costs $ 4 and the second costs $ 4. How many dollars do the two dolls cost?   3. Arthur empties 12 marbles from a small box into a big box that already contains 38 marbles. How many marbles are now there in the big box?   4. Arthur arranges 15 blocks in four stacks. He then arranges 49 blocks in six stacks. How many blocks did he arrange in the ten stacks?   5. Arthur likes toy vehicles. He has 2 cars and 61 vans. How many toy vehicles does he have?