(13) (16) (18) (20) 8754 7898 24 287 8 9 234 .05 ---- ---- --- --- (24) (26) (27) (29) 16 9742 6.25 1/8 × 2 = 2-5/8 59 3.2 --- ---- ---- (33) (35) (37) (38) 2-1/2 × 3-1/2 = 987-3/4 2-1/4 × 4-1/2 × 1-1/2 = .0963-1/8 25 .084 ---- ----- SERIES B. DIVISION SCALE By Clifford Woody (1) (2) (7) (8) __ ___ ___ 3)6 9)27 4 ÷ 2 = 9)0 (11) (14) (15) (17) ___ _____ 2)13 8)5856 1/4 of 128 = 50 ÷ 7 = (19) (23) (27) (28) ____ ______ 248 ÷ 7 = 23)469 7/8 of 624 = .003).0936 (30) (34) (36) ______________ 3/4 ÷ 5 = 62.50 ÷ 1-1/4 = 9)69 lbs. 9 oz. Ballou Test Addition of Fractions _Test 1_ _Test 2_ (1) 1/4 (2) 3/14 (1) 1/3 (2) 2/7 1/4 1/14 1/6 3/14 --- ---- --- ---- _Test 3_ _Test 4_ (1) 3/5 (2) 5/6 (1) 1/7 (2) 7/9 11/15 1/2 9/10 1/4 ----- --- ---- --- _Test 5_ _Test 6_ (1) 1/10 (2) 4/9 (1) 1/6 (2) 5/6 1/6 5/12 9/10 3/8 ---- ---- ---- --- An Addition Ladder [Thorndike, '17, III, 5] Begin at the bottom of the ladder. See if you can climb to the top without making a mistake. Be sure to copy the numbers correctly. #Step 6.# _a._ Add 1-1/3 yd., 7/8 yd., 1-1/4 yd., 3/4 yd., 7/8 yd., and 1-1/2 yd. _b._ Add 62-1/2¢, 66-2/3¢, 56-1/4¢, 60¢, and 62-1/2¢. _c._ Add 1-5/16, 1-9/32, 1-3/8, 1-11/32, and 1-7/16. _d._ Add 1-1/3 yd., 1-1/4 yd., 1-1/2 yd., 2 yd., 3/4 yd., and 2/3 yd.