627
3114
——
8511
517
——
8413
3713
——
514
21114
——
718
217
——

Square:—

23 45 57 69 1011 1213 27 1516 1920 1718 2530 4153

Multiply:—

211 × 33 32 × 314 39 × 213 60 × 1128 77 × 411 63 × 227
54 × 845 65 × 313 3441621 43227

MEASUREMENTS OF ABILITY IN APPLIED ARITHMETIC: THE SOLUTION OF PROBLEMS

Stone ['08] measured achievement with the following problems, fifteen minutes being the time allowed.

"Solve as many of the following problems as you have time for; work them in order as numbered:

1. If you buy 2 tablets at 7 cents each and a book for 65 cents, how much change should you receive from a two-dollar bill?