470 



Indiana Universtty Studies 



order from lowest to highest is addition, multiplication, subtrac- 

 tion, and division. The order is slightly different for the fifth 

 grade. 



If one considers school progress there is an increase in depend- 

 ability from grade to grade. This increase is uniform except for 



80 



10 11 12 13 14 15 16 17 18 19 20 



FIG. 41 DEPENDAMUTY 



PER CENT SERIES B CRAM 7 AMMTION 



RIGHTS 



IC.42 OEPENPABrUTY ' PER CENT 5EMES B CRAPE 7 SUBTRACTION 



a slight inversion in division. At only two places, however, is 

 the increase very considerable. The sixth grade improves over the 

 fifth 4 per cent in addition and 17 per cent in division. Many of 

 the positive changes are very low. One can hardly find encourage- 

 ment in a change from one grade to another of only 1 per cent, and 

 even 5 per cent or 7 per cent is hardly exciting. 



