1. Diane made a necklace for her doll using 45 blue beads and 41 black beads. How many beads does the necklace have?   2. Cheryl has two dolls. The first doll costs $ 6 and the second costs $ 6. How many dollars do the two dolls cost?   3. John empties 24 marbles from a small box into a big box that already contains 31 marbles. How many marbles are now there in the big box?   4. John arranges 49 blocks in four stacks. He then arranges 33 blocks in six stacks. How many blocks did he arrange in the ten stacks?   5. John likes toy vehicles. He has 4 cabs and 20 vans. How many toy vehicles does he have?