6 FUNDAMENTAL PKOCESSES 



ORAL EXERCISE 



Speak the number that, added to the smaller number, 

 makes the larger one in each of the following : 



1. 354698787969599 

 121235243331374 



2. 12 11 10 12 11 10 10 12 11 13.14 15 15 14 15 

 J9J*_7_5_6JJ>J7_5_6_9_7J>_5_9 



3. 16 17 18 18 17 19 17 19 18 17 16 16 19 16 15 



4. 23 24 27 29 26 25 31 34 38 39 32 33 35 21 23 

 ^^^^1819171619141726271917 



5. 43 45 47- 49 41 40 42 44 50 54 57 59 58 55 53 



6. 52 51 53 55 57 59 61 62 63 67 69 78 75 77 71 

 262739373842434529183532365837 



7. $2.00 $5.00 $10.00 $10.00 $5.00 



$1.25 $3.75 $6.75 $3.85 $2.78 



$2.00 $20.00 $20.00 $10.00 $5.00 



$1.19 $7.18 $9.45 $4.85 $1.97 



9. In the ordinary business transaction of the store it is 

 important to be able to see at once the amount of change 

 and its denomination. Thus, if a purchase of 18 cents is 

 made and a quarter is handed to the merchant, the customer 

 should be able to think quickly of 7 cents as 2 pennies and 

 1 nickel, the change and its denomination. 



