Adding/Subtracting Negative Numbers

Understand subtraction of rational numbers as adding the additive inverse, p – q = p + (–q). Show that the distance between two rational numbers on the number line is the absolute value of their difference, and apply this principle in real-world conte
Recent Users
Score
Time
Tries
Date
100%
07:05
1
Apr 25, 2012
83%
04:51
1
Jan 31, 2012
90%
07:40
2
Jan 29, 2012
93%
04:44
1
Jan 20, 2012
97%
03:49
2
Jan 18, 2012
100%
01:40
1
Jan 9, 2012
80%
03:12
1
Jan 6, 2012
97%
02:08
1
Dec 4, 2011
100%
02:47
1
Dec 3, 2011
80%
02:51
1
Nov 21, 2011
90%
03:09
1
Nov 17, 2011
90%
08:12
1
Oct 29, 2011
97%
02:07
1
Oct 27, 2011
97%
02:50
1
Oct 1, 2011
100%
02:19
1
Sep 29, 2011
93%
07:35
1
Sep 28, 2011
60%
06:17
1
Sep 25, 2011
80%
03:31
1
Sep 14, 2011
100%
03:07
1
Sep 13, 2011
63%
05:08
1
Sep 13, 2011
100%
03:10
1
Sep 12, 2011
100%
02:16
1
Sep 11, 2011
87%
04:46
1
Aug 30, 2011
97%
03:36
1
Aug 21, 2011
93%
12:05
1
Aug 12, 2011
97%
03:05
1
Jul 20, 2011
97%
04:20
7
Jun 30, 2011
90%
09:35
1
Jun 19, 2011
93%
06:20
1
Jun 10, 2011
93%
03:12
1
May 14, 2011
97%
02:07
1
May 14, 2011
100%
01:49
1
May 3, 2011
90%
05:25
1
Apr 18, 2011
90%
02:55
1
Mar 25, 2011
97%
04:51
1
Mar 23, 2011
93%
02:45
1
Mar 14, 2011
80%
07:51
1
Mar 11, 2011
97%
02:59
1
Mar 11, 2011
87%
03:59
1
Mar 10, 2011
90%
07:01
1
Mar 10, 2011
93%
02:48
3
Mar 10, 2011
97%
06:18
1
Mar 9, 2011
93%
02:15
1
Mar 9, 2011
97%
07:29
1
Mar 8, 2011
87%
06:50
1
Mar 7, 2011
100%
07:14
1
Mar 6, 2011
97%
02:29
1
Mar 5, 2011
87%
06:37
2
Mar 4, 2011
80%
04:00
1
Mar 2, 2011
77%
03:51
1
Mar 2, 2011
80%
02:27
1
Mar 2, 2011
97%
02:47
1
Feb 28, 2011
100%
02:16
1
Feb 28, 2011
70%
08:21
1
Feb 28, 2011
100%
03:11
1
Feb 28, 2011
100%
03:23
3
Feb 28, 2011
80%
09:12
1
Feb 26, 2011
77%
14:58
1
Feb 26, 2011
87%
03:24
1
Feb 25, 2011
77%
04:03
1
Feb 22, 2011
90%
03:40
3
Feb 22, 2011
90%
05:06
1
Feb 21, 2011
100%
02:08
1
Feb 21, 2011
90%
02:06
2
Feb 21, 2011
97%
04:49
1
Feb 21, 2011
100%
02:55
1
Feb 20, 2011
93%
03:51
1
Feb 20, 2011
93%
02:32
1
Feb 20, 2011
97%
02:28
1
Feb 20, 2011
100%
01:56
1
Feb 19, 2011
87%
05:37
1
Feb 18, 2011
97%
05:24
1
Feb 18, 2011
93%
02:20
1
Feb 17, 2011
93%
06:59
1
Feb 17, 2011
97%
03:01
1
Feb 17, 2011
97%
02:05
1
Feb 17, 2011
100%
01:36
3
Feb 17, 2011
60%
05:27
1
Feb 16, 2011
80%
05:14
1
Feb 15, 2011
80%
05:17
2
Feb 15, 2011
50%
05:18
1
Feb 15, 2011
97%
02:00
1
Feb 12, 2011
97%
01:42
1
Feb 12, 2011
100%
01:51
3
Feb 12, 2011
90%
02:45
1
Feb 12, 2011
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