1.  Michellebought two dolls for $ 56 . She had $18 in her purse. How many dollars are left in her purse?   2. Sarah  has two dolls. The first doll is 58 cm tall and the second is 34 cm. What is the difference in their heights (in cm)?   3. Brianwent to play in the garden with 71 marbles. He returned home with 11 marbles. How many marbles did he lose?   4. Paul arranges 59  blocks in a tall stack. Accidentally, he drops21 blocks. How many blocks are still there in the stack?   5. Each day  870 trucks are made in a toy factory. Of these, 35 are defective. How many toy vehicles are not defective?