Challenging Word Problems (beginning on pg. 19):
00:11 – #7
02:14 – #8
03:52 – #9
07:01 – #10

Challenging Word Problems (beginning on pg. 23):
09:36 – #1
11:40 – #2
13:03 – #3
15:12 – #4
18:39 – #5
21:53 – #6
26:00 – #7
28:04 – #8
29:30 – #9
32:15 – #10