(1) (2) (3) (4) (5) (6) (7) 3 × 7 = 5 × 1 = 2 × 3 = 4 × 8 = 23 310 7 × 9 = 3 4 -- --- (8) (9) (10) (11) (12) (13) (14) (15) 50 254 623 1036 5096 8754 165 235 3 6 7 8 6 8 40 23 -- --- --- ---- ---- ---- --- --- (16) (17) (18) (19) (20) (21) (22) 7898 145 24 9.6 287 24 8 × 53/4 9 206 234 4 .05 21/2 ---- --- --- --- --- -- (23) (24) (25) (26) (27) (28) (29) 11/4 × 8 = 16 7/8 × 3/4 = 9742 6.25 .0123 1/8 × 2 = 2 5/8 59 3.2 9.8 ------ ---- ---- ----- (30) (31) (32) (33) (34) 2.49 12 15 6 dollars 49 cents 2-1/2 × 3-1/2 = 1/2 × 1/2 = 36 -- × -- 8 ---- 25 32 ------------------ (35) (36) (37) (38) (39) 9873/4 3ft. 5in. 21/4 × 41/2 × 11/2 = .0963 1/8 8ft. 91/2in. 25 5 .084 9 ---- --------- --------- ---------- * * * * * A series of problems in reasoning in arithmetic which were given in twenty-six school systems by Dr. C.W. Stone furnish a valuable test in this field, as well as an opportunity for comparison with other schools in which these problems have been used.[22] A list of problems follows. 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? 2. John sold 4 Saturday Evening Posts at 5 cents each. He kept 1/2 the money and with the other 1/2 he bought Sunday papers at 2 cents each. How many did he buy? 3. If James had 4 times as much money as George, he would have $16. How much money has George? 4. How many pencils can you buy for 50 cents at the rate of 2 for 5 cents? 5. The uniforms for a baseball nine cost $2.50 each. The shoes cost $2 a pair. What was the total cost of uniforms and shoes for the nine? 6. In the schools of a certain city there are 2200 pupils; 1/2 are in the primary grades, 1/4 in the grammar grades, 1/8 in the High School, and the rest in the night school. How many pupils are there in the night school? 7. If 3-1/2 tons of coal cost $21, what will 5-1/2 tons cost? 8. A news dealer bought some magazines for $1. He sold them for $1.20, gaining 5 cents on each magazine. How many magazines were there?