1.  Michelle has 36 teddy bears. She gives away 18 of them to her best friend. How many teddy bears does she now have?   2. A pond contains 903 fish of which 79 are stationary. How many fish in the tank are moving?   3. There are 511 birds in a sanctuary of which 21 are white. How many birds are there of other colors?   4. A jungle has 632 deer. There are 223 spotted deer. How many deer do not have spots?   5. A magician starts with 25 rabbits and makes 14 rabbits vanish. How many rabbits remain?