1.  Ronnie bought t marbles. Robin bought 15 marbles less than Ronnie. How many marbles did Robin buy? 

Hint
Halfnhalf Clue
 

2.  Debbie bought f pencils. Sandra bought 5 pencils more than Debbie. How many pencils did Sandra buy? 
 Halfnhalf Clue
 

3.  Debbie lost 14 marbles. She had g marbles. How many marbles does Debbie have now? 
 Halfnhalf Clue
 

4.  Ronnie borrowed 9 golf balls from Robin. Robin had d golf balls. How many golf balls does Robin have now? 
 Halfnhalf Clue
 

5.  Debbie scored 10 extra credit points than Robin. Robin scored h credit points. How many credit points did Debbie score? 
 Halfnhalf Clue
 

6.  Ronnie scored 9 fewer credit points than Robin. Robin scored p credit points. How many credit points did Ronnie score? 
 Halfnhalf Clue
 

7.  There were 20 dolls in a box. k dolls were taken away. How many dolls are left in the box now? 
 Halfnhalf Clue
 
