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Arithmetic
- First polygonal numbers
- Fractions and hours or split time
- Time! But what time?
- Compare decimals
- The Fraction Clock
- Les tables de multiplication amusantes
- Le pont
- Soustraction des nombres relatifs
- La soustraction en double méthode
- Prime factors tree
- Glisse nombre et multiplication division par 10,100,....
- Paper formats and the geometric sequence
- Fraction division
- Riemman sum and integration
- Catch the good ball (table of multiplication)
- Arithmetic mean vs geometric mean (proof without word)
- Sum of 7 consecutive intergers
- Le complémentaire à 10 et l'addition
- The house of additions
- A way to find the value of a square root?
- Countdown (a new way to learn tables of multiplication)
- Multiplication tables while having fun
- The table of 9 using the tens
- Sum of two relative numbers
- Multiplication table in 3D
- The multiplication wheel
- Multiplication tables by areas of rectangles (and squares)
- Une pendule pédagogique
- Proof without words : Sum of the first n integer numbers
- Proof without words : Sum of alternate squares
- Properties of the N-gonal numbers (peacock theorem)
- PacMath(3) : Compare two decimal numbers
- PacMath series : inequalities
- Relation between pentagonal and triangular numbers
- How to Find the Divisors of a integer Number
- Proof without word : Sum of the odd numbers
- Fraction, percentage and coefficient
- Fractions and hours
- The City bus problem
- The bridge and the train (addition for children)
- Math trick to square a number
- The secret of pyramids
- LCM,HCF and Venn diagram
- Addition and elementary puzzle
- Pyramid stacks
- Propertie of the square roots
- Pendulum with unrolled dial
- Square roots in spiral vs in function
- Proof without word: arithmetic sequences
- Smilog : properties of the logarithms(2)
- Smilog: properties of the logarithms (1)
- The sum of the first n cubes
- Decomposition of a decimal number
- The unrolled clock
- The staircase multiplication tables
- Geometric polygonal peacock
- N-gonal Numbers
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Arithmetic
Daniel Mentrard, Feb 17, 2022
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1. First polygonal numbers
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2. Fractions and hours or split time
-
3. Time! But what time?
-
4. Compare decimals
-
5. The Fraction Clock
-
6. Les tables de multiplication amusantes
-
7. Le pont
-
8. Soustraction des nombres relatifs
-
9. La soustraction en double méthode
-
10. Prime factors tree
-
11. Glisse nombre et multiplication division par 10,100,....
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12. Paper formats and the geometric sequence
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13. Fraction division
-
14. Riemman sum and integration
-
15. Catch the good ball (table of multiplication)
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16. Arithmetic mean vs geometric mean (proof without word)
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17. Sum of 7 consecutive intergers
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18. Le complémentaire à 10 et l'addition
-
19. The house of additions
-
20. A way to find the value of a square root?
-
21. Countdown (a new way to learn tables of multiplication)
-
22. Multiplication tables while having fun
-
23. The table of 9 using the tens
-
24. Sum of two relative numbers
-
25. Multiplication table in 3D
-
26. The multiplication wheel
-
27. Multiplication tables by areas of rectangles (and squares)
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28. Une pendule pédagogique
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29. Proof without words : Sum of the first n integer numbers
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30. Proof without words : Sum of alternate squares
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31. Properties of the N-gonal numbers (peacock theorem)
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32. PacMath(3) : Compare two decimal numbers
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33. PacMath series : inequalities
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34. Relation between pentagonal and triangular numbers
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35. How to Find the Divisors of a integer Number
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36. Proof without word : Sum of the odd numbers
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37. Fraction, percentage and coefficient
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38. Fractions and hours
-
39. The City bus problem
-
40. The bridge and the train (addition for children)
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41. Math trick to square a number
-
42. The secret of pyramids
-
43. LCM,HCF and Venn diagram
-
44. Addition and elementary puzzle
-
45. Pyramid stacks
-
46. Propertie of the square roots
-
47. Pendulum with unrolled dial
-
48. Square roots in spiral vs in function
-
49. Proof without word: arithmetic sequences
-
50. Smilog : properties of the logarithms(2)
-
51. Smilog: properties of the logarithms (1)
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52. The sum of the first n cubes
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53. Decomposition of a decimal number
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54. The unrolled clock
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55. The staircase multiplication tables
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56. Geometric polygonal peacock
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57. N-gonal Numbers
First polygonal numbers
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