- Extra Practice Math Centers: Multiplication, Division & More
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Amazon
From $12.25 (New)
From $12.25 (New)
| Latest | $12.25 Mar 30, '16 |
| Highest | $18.99 Dec 19, '15 |
| Lowest | $11.99 Oct 31, '15 |
| Average | $18.99 (30d avg) $18.99 (90d avg) $16.16 (180d avg) $16.04 (365d avg) $15.94 (Lifetime average) |
| Added | Feb 17, 2015 |
| Latest | $7.95 Mar 30, '16 |
| Highest | $10.00 Jul 7, '15 |
| Lowest | $3.55 Oct 3, '15 |
| Average | $9.63 (30d avg) $9.69 (90d avg) $9.13 (180d avg) $9.32 (365d avg) $9.39 (Lifetime average) |
| Added | Feb 17, 2015 |
| Latest | $3.70 Mar 30, '16 |
| Highest | $7.47 Apr 18, '15 |
| Lowest | $0.50 Jul 19, '15 |
| Average | $3.57 (30d avg) $3.50 (90d avg) $3.63 (180d avg) $4.59 (365d avg) $4.18 (Lifetime average) |
| Added | Feb 17, 2015 |
30 day average: 918,349
90 day average: 938,089