Arithmetic

All lectures: All lectures on the discipline: arithmetic are collected here. These fascinating lectures provide us with the opportunity to explore the deep principles and phenomena underlying our knowledge and our desire to understand the world.


1. Арифметика начало
2. Арифметика числа 1 2 3 4 5 6 7 8 9
3. Number 1
4. Number 2
5. Number 3
6. Number 4
7. Number 5
8. Number 6
9. Number 7
10. Number 8
11. Number 9
12. Number 0
13. Number 10
14. Прямой счет
15. Обратный счет
16. Count on 1 (addition)
17. Counting on 1 (subtract 1)
18. Addition (introduction)
19. Subtraction (introduction)
20. Laws of arithmetic
21. Addition to the column
22. Division with remainder
23. Bar Division - explanation and examples
24. Ranks and Classes Explanation and Examples
25. The order of arithmetic operations (operations)
26. Multiply in a column
27. Decimal Fractions
28. Decimal multiplication
29. Decimal Division Explanation and Examples
30. Decimal Comparison
31. How to read decimals
32. Decimals
33. Subtract Decimals Explanation Examples
34. Ordinary Shot
35. Reduction of ordinary fractions
36. Comparison of ordinary fractions explanation and examples
37. Mixed Numbers Isolation of the whole part of an ordinary fraction
38. Addition of ordinary fractions. Common denominator
39. Subtraction of ordinary fractions explanation and examples
40. Multiplication of ordinary fractions
41. Division of common fractions explanation and examples
42. Finding the fraction by number
43. Finding the number of its ordinary fraction
44. Conversion of ordinary fractions to decimal
45. Periodic fraction
46. Add and subtract properties
47. Multiplication and division properties
48. Digit terms
49. Mutually inverse numbers. Reciprocal Fractions
50. Integers
51. Finding the greatest common divisor (GCD)
52. The least common multiple of the NOC
53. Rounding numbers
54. Decimal rounding. Examples
55. Interest in Math
56. Interest actions
57. Tasks for interest
58. solution and concentration tasks
59. Tasks for deposits and discount
60. Average
61. Expression simplification
62. Solving simple equations (positive numbers only)
63. Solving complex equations (positive numbers only)
64. Numeric and alphabetic expressions
65. Scale and Mathematics
66. Ratio of numbers
67. Proportions
68. Problem Solving the Proportion
69. Signs of divisibility by 2, 4 and 8
70. Signs of divisibility by 3, 6 and 9
71. Signs of divisibility by 5,10,25 and 100
72. Sign of divisibility by 11
73. Negative numbers Coordinate line
74. Opposite numbers Coordinates of points on the number axis
75. Addition of negative numbers
76. Subtract negative numbers
77. The absolute value of a number
78. Multiplication of negative numbers
79. Division of negative numbers
80. Coordinate system. Coordinate quarters
81. How to find and record the coordinates of a point
82. Rational numbers
83. Comparison of rational numbers
84. Whole numbers
85. What is the power of the number? Exposure to the power of the negative number? Procedure in the examples with degrees
86. Degree properties
87. Fraction raising
88. Formulas of abbreviated multiplication
89. Square root fractional number
90. Properties of arithmetic roots
91. Irrational numbers
92. Geometric mean
93. Factorial
94. Number theory