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Buy from Amazon $65.03$39.42 $70.00 $58.33 $46.67 $35.00 May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr 2016 $54.00, Apr 28 - Mar 18$39.99, Apr 28 - Jun 12$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.99, Apr 28 - Jun 12$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.98, Jun 16 4:10 am$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.97, Jun 19 11:11 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.96, Jun 23 5:06 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.95, Jun 27 11:55 am$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.94, Jul 1 2:05 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.92, Jul 5 8:22 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.91, Jul 11 8:46 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.90, Jul 15 - Jul 19$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.88, Jul 22 - Jul 28$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.87, Jul 31 5:19 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.86, Aug 4 7:40 am$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.85, Aug 8 12:13 am$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.84, Aug 11 8:37 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.83, Aug 15 - Aug 19$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.82, Aug 23 2:01 am$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.81, Aug 26 8:58 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.80, Aug 30 - Sep 3$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.79, Sep 7 7:40 am$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.78, Sep 11 4:42 am$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.77, Sep 15 1:33 am$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.76, Sep 18 10:39 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.75, Sep 22 8:58 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.74, Sep 26 7:06 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.73, Sep 30 6:17 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.72, Oct 4 8:11 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.71, Oct 8 11:37 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.70, Oct 13 12:08 am$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.69, Oct 16 10:15 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.68, Oct 20 - Oct 24$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.67, Oct 28 2:09 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.65, Nov 1 1:30 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.64, Nov 5 3:29 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.63, Nov 9 5:45 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.62, Nov 13 8:36 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.61, Nov 18 4:02 am$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.60, Nov 22 1:24 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.59, Nov 27 1:29 am$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.58, Dec 1 10:10 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.57, Dec 6 7:02 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.55, Dec 11 8:18 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.54, Dec 16 - Dec 21$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.53, Dec 27 7:40 am$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.52, Jan 1 - Jan 5$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.51, Jan 10 3:52 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.50, Jan 15 2:55 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.49, Jan 20 2:43 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.48, Jan 25 2:55 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.47, Jan 30 2:38 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.45, Feb 4 - Feb 9$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.43, Feb 15 3:33 am$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$39.42, Feb 20 11:49 am$54.65, Feb 26 12:02 am$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$55.81, Mar 7 1:17 pm$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$65.03, Mar 18 - Mar 30$54.00, Apr 28 - Mar 18$50.00, May 30 - Aug 8$65.03, Mar 18 - Mar 30$49.61, Mar 30 11:05 am$45.60, Mar 30 11:05 am 115,2153,091,131 2,343,750 1,562,500 781,250 May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr 2016

Price Details

New

Latest $49.61 Mar 30, '16
Highest $54.00 Apr 28, '15
Lowest $49.61 Mar 30, '16
Average $54.00 (30d avg)
$54.00 (90d avg)
$54.00 (180d avg)
$54.00 (Lifetime average)
Added Apr 7, 2015

3rd Party New

Latest $45.60 Mar 30, '16
Highest $50.00 May 30, '15
Lowest $45.60 Mar 30, '16
Average $45.60 (30d avg)
$45.60 (90d avg)
$45.60 (180d avg)
$50.00 (Lifetime average)
Added Apr 7, 2015

3rd Party Used

Latest $65.03 Mar 30, '16
Highest $65.03 Mar 18, '16
Lowest $39.42 Feb 20, '16
Average $60.45 (30d avg)
$46.63 (90d avg)
$43.15 (180d avg)
$41.51 (Lifetime average)
Added Apr 7, 2015

Sales Rank

30 day average: 3,082,682
90 day average: 3,054,561

Product Description

This book describes the field of fractions, percentages, decimals and proportions. It shows the relations between these topics, and how they can be taught in a way that emphasizes these relations.. The book also describes the need for change in the way we teach mathematics. The authors argue for a shift in emphasis from "acquired skill" to "understanding". First and foremost, students should grasp the underlying concepts. Placing less high demands on the skill level of students in the use of formal procedures can set free time that can be invested in in-depth understanding.

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