Challenging Word Problems
​Level 4

Click here to purchase the CWP book from Singapore Math Inc.
Click here to purchase access to CWP solutions recordings. (These recordings are included in the full support for each level.)

Free Trial: 
CWP p. 4-9  (30:56)
CWP p. 10-18  (52:21)
CWP p. 19-26  (34:40)

Subscription:
CWP p. 27-30  (19:27)
CWP p. 31-36  (18:49)
CWP p. 42-48  (46:24)
CWP p. 53-58  (31:27)
CWP p. 62-65   (16:55)
CWP p. 69-71  (24:11)
CWP p. 74-79  (16:28)
CWP p. 84-88  (14:26)
CWP p. 92-95  (14:59)
CWP p. 98-102  (10:08)
CPW p. 117-121  (27:32)
CWP p. 127-132  (19:33)
CWP p. 137-139  (7:31)
CWP p. 143-146  (12:06)
CWP p. 150-153  (26:58)
​CWP p. 155-159  (25:59)
CWP p. 172-175  (31:50)
CWP p. 177-180  (29:52)
CWP p. 183-186  (21:44)
CWP p. 188-191  (27:59)
CWP p. 193-196  (19:54)
CWP p. 198-201  (31:42)