Ex. 12. Make the sentences negative and interrogative.
Date: 2015-10-07; view: 407.
Ex. 11. Fill in the blanks with necessary words and word combinations from the box.
| the sum, the quotient, the multiplication sign, to divide, the difference, subtraction, factors, addends, the subtrahend, a remainder, to be added, a numeral, division |
1. We get as a result of addition. 2. The numbers to be added are called . 3. You may check by multiplication. 4. Will there be if you divide 25 by 7? 5. If you are two numbers, you must remember that division by 0 is meaningless. 6. To find the minuend and the subtrahend must be known. 7. Addition and are inverse operations. 8. The multiplicand and multiplier are the names for the . 9. The result of division is known as . 10. The difference is the number that when added to the gives the minuend. 11. The plus sign between two numbers means that these numbers are . 12. A dot placed between two numbers is used as . 13. A symbol used to represent a number is called .
1. We can add numbers in any order. 2. You should discuss the rules of multiplication at the next lesson. 3. Mathematicians were able to discover another fundamental law of nature. 4. The result must be checked immediately. 5. You have to decide on the subject of your thesis. 6. They may misunderstand the theoretical character of the problem. 7. We were allowed to work on our experiment out of class. 8. They will be able to use some symbols instead of words. 9. We need to use special methods to obtain necessary results. 10. You ought to study carefully the definitions given above.
| <== previous lecture | | | next lecture ==> |
| Ex. 10. Mark the following as True or False. | | | Ex. 14. Choose the phrase closest in meaning to the given statement. |