Math Animations Pro vs 1000词2000词4000词

Great way to "see" how math works! --by Greg Garner Awesomely Effective!!! An absolutely amazing and brilliant way to visually demonstrate basic math principles! Thank you! -- by iPad Dad3 Math Animations : mathematics animations. The animations provide short, sharp, visual explanations of mathematical concepts. Who is it for? It is for everyone interested in mathematics. It is principally designed for upper primary and lower secondary teachers to use in the classroom, but students interested in deepening their understanding of core concepts will also find the site useful. List of animations: 1. Addition 2. Addition Table 3. Subtraction 4. Subtraction Table 5. Multiplication 6. Multiplication Table 7. Division 8. Division Table 9. 123 = ? 10. 12 + 45 11. 123 + 456 12. 45 - 12 13. 456 - 123 14. 12 × 3 15. 12 × 45 16. 123 × 56 17. 456 ÷ 3 18. 456 ÷ 12 19. a + b = b + a 20. a × b = b × a 21. (a+b) × c = a×c + b×c 22. Perimeter of a Square 23. Perimeter of a Rectangle 24. What is Area? 25. Area of a Square 26. Area of a Rectangle 27. Area of a Parallelogram 28. Area of a Triangle 29. Area of a Trapezoid 30. Angle sum of a Triangle 31. Definition of a circle 32. Radius × 2 = Diameter 33. What is π ? 34. Perimeter of a circle 35. Area of a circle 36. What is Fraction? 37. Adding Fractions 38. Subtracting Fractions 39. Multiplying Fractions 40. Dividing Fractions 41. Fraction × n 42. Fraction ÷ n 43. 1.23 + 0.56 44. 1.23 - 0.56 45. 1.2 × 0.5 46. 1.2 × 4.5 47. 1.23 × 0.56 48. 4.56 ÷ 2 49. 4.56 ÷ 1.2 50. X + 3 = 12 51. 2X = 8 52. 2X + 3 = 11

1000词2000词4000词 （14册大合集版本，共计给5840词） 1000基础英语单词（1000 Basic English Words）4册 2000核心英语单词（2000 Core English Words）4册 4000基础必备英语单词（4000 Essential English Words）6册 内容包含课文正文、课后答案、图片、音频、中文翻译 包含磨耳朵、口语模仿、中英对照、单词卡片 9步学习步骤、10种测试方式、7种学习复习游戏 联系：bwbynn@163.com QQ群 753152718 (不用注册、不用联网、没有广告、没有内购，本地播放，方便学生随时随地学习)