Ex. 9. Fill in a suitable verb in the Present Perfect Tense.
Date: 2015-10-07; view: 416.
Ex. 8. Mark the following as True or False.
1. Every fraction has a numerator and a denominator. 2. A rational number can't be another name for a fraction. 3. In the proper fraction the denominator is less than the numerator. 4. In the improper fraction the denominator is greater than the numerator. 5. A mixed fraction contains an integer and a proper fraction. 6. We change a fraction if we multiply it by 1. 7. If we multiply the numerator and the denominator by the same whole number we produce another name for the fractional number. 8. Principles of arithmetic are valid in the case of mathematics. 9. It's impossible to express rational numbers as decimal numerals. 10. The digits to the right of the decimal point represent whole numbers. 11. The name given to a decimal like 0.1313 is terminating. 12. We obtain a tenth by dividing 1 by 10.
| to give, to become, to show, to draw, to learn, to find, to be, to make, to take, to rewrite |
1 They … an attempt to overcome difficulties of this complicated procedure.
2 The science adviser … the whole situation under control.
3 They … not all the examination material yet.
4 I … this article on Maths very helpful.
5 In the given example he … the validity of these principles.
6 The post-graduate … the previous chapter of his report.
7 He … a first-year student of the Mechanics and Mathematics faculty this year.
8 My friend … already the diagram which has certain advantages.
9 The teacher … an example of an algorithm.
10 … you … able to name these rational numbers by decimal numerals?
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