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Các trang Web dạy toán
1. fun4thebrain.com/index.html
2. www.mathsisfun.com/
3. www.ixl.com/math/grade/kindergarten/
4. Count chickens www.learningplanet.com/sam/cyc/index.asp?contentid=174
5. www.harcourtschool.com/glossary/math_advantage/glossary1.html
6. www.johnston.k12.ia.us/schools/ElemLMC/first.htm#math
7. www.amathsdictionaryforkids.com/dictionary.html
8. www.ixl.com/math/grade/first/