Everything should be made as simple as possible, but not simpler (Albert Einstein)

ENERGY

Topical texts -> Exercises
Personalities -> Exercises

ELECTRICITY

Topical texts -> Exercises
Personalities -> Exercises

ELECTROMAGNETISM

Topical texts -> Exercises
Personalities -> Exercises

LIGHT

Topical texts -> Exercises
Personalities -> Exercises

SOUND

Topical texts -> Exercises
Personalities -> Exercises

UNITS OF MEASUREMENTS

Topical texts -> Exercises
Personalities -> Exercises

SOLAR SYSTEM

Topical texts -> Exercises
Personalities -> Exercises

PARTICLE PHYSICS

Topical texts -> Exercises
Personalities -> Exercises

## News

Главная MATHEMATICS - Topical texts - Exercises

1. Find equivalents:

 A B 1. instead of a. знаменатель 2. mark b. одного размера 3. to replace c. последовательность 4. term d. числитель 5. pictograph e. дробь 6. to write down f. размножаться 7. multiplication g. термин 8. sequence h. вместо 9. even i. знак 10. single-celled j. записывать 11. to reproduce k. пиктограмма 12. fraction l. четный 13. equal-sized m. заменять 14. the number at the bottom n. одноклеточный 15. the number at the top о. умножение

2. Complete the sentences:

1. Mathematics has a language of its own, which uses

2. The earliest recorded numbers were

3. To replace words such as «plus» and „equals“ mathematicians introduced

4. Such terms as «triangle» and „square“, for example, were applied to

5. Pictographs were used by

6. Numbers we use today are based on the

7. The sequence of even numbers that can be represented by such numbers as 2, 4, 6, 8, etc. is

8. An arithmetic sequence of numbers that increases the same amount each time is called

9. Geometric sequence often happens in nature when

10. A fraction is

11. The number at the bottom of the fraction tells us

12. The number at the top of the fraction tells us

1. What language does mathematics use?

2. What terms were applied to figures that are geometrically defined?

3. Did the Romans develop a system of numerals that used letters from their alphabet or special symbols?

4. What calculations can be written down in a simpler form?

5. What the difference between mathematical and arithmetic sequence?

6. Can sequences occur in nature? Give an example.

7. What do we call the part of the whole?

8. What number in a fraction tells us into how many parts the whole has been divided?

9. What number in a fraction tells us how many of the parts of the whole we have?

NUCLEAR PHYSICS

Topical texts   ->  Exercises
Personalities  ->  Exercises

ORGANIC CHEMISTRY

Topical texts -> Exercises
Personalities -> Exercises

SOLIDS

Topical texts -> Exercises
Personalities -> Exercises

GEOMETRY

Topical texts -> Exercises
Personalities -> Exercises

MATHEMATICS

Topical texts -> Exercises
Personalities -> Exercises

BRANCHES OF MATHEMATICS

Topical texts -> Exercises
Personalities -> Exercises 