Complete the sentences. 1. Mathematicians seek out

1. Mathematicians seek out…

2. Arguments sufficient to convince other mathematicians of their…

3. Maths is used all over the world as an essential…

4. Often Maths proves useful in many…

5. … in Maths are valued.

WRITING

Complete the phrases.

1. Mathematics is …

2. Arithmetic is …

3. A language is …

4. Geometry is …

5. A symbol is …

6. Geometric Algebra is......

7. Number Theory is....

Write 5 sentences using abbreviations or shortenings from exercise 6.

Write our equivalents to the numbers and measures in the suggested joke.

A Joke

A boy (enters a grocer’s shop) – A pound of sugar at 90 pence, a pound of butter at one pound and 80 pence, a pound of cheese at two pounds and 20 pence, two pounds of tea at five and six a pound. If I give you 20 and 6, how much would you give me a change?

Grocer (writing it all down) − 13 pounds. And why?

Boy – Please, give me that bill. It’s my home-work for tonight. Thank you.

43. Write an essay (150 words) that ends: "As long as algebra and geometry have been separated, their progress have been slow and their uses limited; but when these two sciences have been united, they have lent each mutual forces, and have marched together towards perfection." J.-L. Lagrange. Follow this structure:

Ø Introduction

Paragraph 1 (state the topic)

Ø Main Body

Paragraphs 2-3 (viewpoints, examples)

Ø Conclusions

Final paragraph (summarise).