Lillian C. Tsai's Discussions
| Discussions Replied To (1) | Replies | Latest Activity |
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"Thanks Ryan, you are right, prime numbers and factoring scare many fifth graders. I…"Lillian C. Tsai replied Jan 24, 2011 to PICTURE BOOK: You Can Count on Monsters (Prime Numbers) |
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Jan 24, 2011 Reply by Ryan Goble |
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