studies in Arithmetic, 1916-1917 



33 



A little closer examination of the achievement in each 

 grade might be helpful. Figure 5 may be interpreted as fol- 

 lows : In fifth grade attempts in addition the Best Five Cities 

 start with the Courtis and Kansas standards, excel the In- 

 diana 1914 achievement, but fall below those of Indiana 1915 



m jz jzi jm jzzzf ^ ^ tttt vttt 



FIG. 9. Showing Group Medians in Comparison with State 

 Medians and Courtis Standard. Addition. 



FIG. 10. Showing Group Medians in Comparison with State 

 Medians and Courtis Standard. Subtraction. 



and Iowa 1916. In rights they are superior to all except 

 Iowa, which is slightly above; in the sixth grade the Best 

 Five Cities are superior to all other standards (except the 

 Courtis) in both attempts and rights; in the seventh grade in 

 attempts they excel the Indiana 1914 and Kansas scores, equal 

 those for Indiana 1915, but fall slightly below those for Iowa, 

 while in rights they are only slightly excelled by Iowa. The 



