1. What is the relationship between arithmetic and algebra? 2. In what arithmetic operations do we use numbers? 3. What do we use in algebra to represent numbers? 4. What examples of the close relationship between arithmetic and algebra can you give? 5. What is algebra? 6. What is the outstanding characteristic of algebra? 7. Name algebraic expressions you know. 8. When are two terms called similar? 9. What signs are used in algebra and what do they indicate? 10. How is the sign ( ) read? 11. What is the meaning of the multiplication sign, the equality sign and the division sign? 12. What does the expression (a + b) mean?
Ex. 15. Choose the correct modal verb or its equivalent. | Ex. 18. Translate from Russian into English. | Ex. 1. Compare Russian and English Tense forms. | Guess the meaning of the following words. | Rational numbers and decimal numerals | Ex. 12. Translate into English. | Degrees of Comparison | Ex. 1. Analyze these sentences and compare the adjectives given there. Translate them into Russian. | Ex. 6. Translate into English. | Note the difference in translation between the Present Perfect Continuous and the Present Perfect Tenses. |