1. Stacy made a necklace for her doll using 10 blue beads and 12 red beads. How many beads does the necklace have?   2. Barbara has two dolls. The first doll costs $ 2 and the second costs $ 9. How many dollars do the two dolls cost?   3. Darren empties 43 marbles from a small box into a big box that already contains 32 marbles. How many marbles are now there in the big box?   4. Darren arranges 10 blocks in four stacks. He then arranges 45 blocks in six stacks. How many blocks did he arrange in the ten stacks?   5. Darren likes toy vehicles. He has 4 cabs and 64 cars. How many toy vehicles does he have?