5th class. Mathematics0+
Lesson 1. Angle and its degree measure.
Lesson 1. Angle and its degree measure.
Lesson 2. A triangle and its perimeter.
Lesson 2. A triangle and its perimeter.
Lesson 3. Rectangle.
Lesson 3. Rectangle.
Lesson 4. Rectangular parallelepiped.
Lesson 4. Rectangular parallelepiped.
Lesson 5. The volume of a rectangular parallelepiped and a cube.
Lesson 5. The volume of a rectangular parallelepiped and a cube.
Lesson 6. Pyramid.
Lesson 6. Pyramid.
Lesson 7. Ordinary fractions.
Lesson 7. Ordinary fractions.
Lesson 8. Proper and improper fractions.
Lesson 8. Proper and improper fractions.
Lesson 9. Common fractions and division of natural numbers.
Lesson 9. Common fractions and division of natural numbers.
Lesson 10. Mixed numbers.
Lesson 10. Mixed numbers.
Lesson 11. Comparison of ordinary fractions with the same denominators (part 1).
Lesson 11. Comparison of ordinary fractions with the same denominators (part 1).
Lesson 12. Comparison of ordinary fractions with the same denominators (part 2).
Lesson 12. Comparison of ordinary fractions with the same denominators (part 2).
Lesson 13. Finding a fraction from a number.
Lesson 13. Finding a fraction from a number.
Lesson 14. Finding a number by its fraction.
Lesson 14. Finding a number by its fraction.
Lesson 15. Addition and subtraction of ordinary fractions with the same denominators (part 1).
Lesson 15. Addition and subtraction of ordinary fractions with the same denominators (part 1).
Lesson 16. Addition and subtraction of ordinary fractions with the same denominators (part 2).
Lesson 16. Addition and subtraction of ordinary fractions with the same denominators (part 2).
Lesson 1. Adding mixed numbers.
Lesson 1. Adding mixed numbers.
Lesson 2. Adding mixed numbers.
Lesson 2. Adding mixed numbers.
Lesson 3. Subtraction of mixed numbers.
Lesson 3. Subtraction of mixed numbers.
Lesson 4. Subtraction of mixed numbers.
Lesson 4. Subtraction of mixed numbers.
Lesson 5. Decimal fraction.
Lesson 5. Decimal fraction.
Lesson 6. Comparison of decimal fractions
Lesson 6. Comparison of decimal fractions
Lesson 7. Rounding decimal fractions
Lesson 7. Rounding decimal fractions
Lesson 8. Adding decimal fractions
Lesson 8. Adding decimal fractions
Lesson 9. Subtraction of decimal fractions
Lesson 9. Subtraction of decimal fractions
Lesson 10. Multiplication of decimal fractions.
Lesson 10. Multiplication of decimal fractions.
Lesson 11. Multiplication of decimal fractions.
Lesson 11. Multiplication of decimal fractions.
Lesson 12. Division of decimal fractions.
Lesson 12. Division of decimal fractions.
Lesson 13. Division of decimal fractions.
Lesson 13. Division of decimal fractions.
Lesson 14. Solving exercises for all actions with natural numbers and decimal fractions
Lesson 14. Solving exercises for all actions with natural numbers and decimal fractions
Lesson 15. Interest
Lesson 15. Interest
Lesson 16. Finding percentages from a number.
Lesson 16. Finding percentages from a number.
Lesson 17. Finding percentages from a number.
Lesson 17. Finding percentages from a number.
Lesson 18. Finding a number by its percentages.
Lesson 18. Finding a number by its percentages.
Lesson 19. Finding a number by its percentages.
Lesson 19. Finding a number by its percentages.
Lesson 20. Solving percentage problems
Lesson 20. Solving percentage problems
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