Pronunciation guide

Algebra

Geometry

Hypotenuse

Integer

Pythagoras

Satellite

Trigonometry

E Comprehension

Read the text and complete the summary. Use words from the text.

A Maths studies four areas: quantities, structure, space and (1).......................

B Natural numbers are larger than (2)..........................but (3)...........................can be zero.

C (4).........................was a Greek mathematician who made the famous theorem a²=b²+c² which helps us find the size of a (5)...........................

D Algebra came from (6)...........................countries.

E With (7).........................Euclid helped us understand (8)..........................

F Trigonometry combines space with (9)...........................

G Calculus describes (10)............................

and used in quantum mechanics allows us to study physics and (11)................................

H Statistics predicts results and analyses (12)...........................

A Match the words and phrases with their meanings.

Isaac Newton

1 fragile A the tendency of a body to maintain its speed and direction

2 calculus В the natural force of attraction exerted by the Earth on objects on or near its surface

3 impact C easily broken

4 inertia D branch of mathematics concerned with limits, differentiation and integration of functions

5 gravity E effect

Albert Einstein

1 pacifist A arms which can kill many people

2 weapons of mass destruction B something that prevents

3 notion C somebody who doesn't believe in war

4 multi-­dimensional D involving time and space

5 bend E idea

6 obstacle F curve

Niels Bohr

1 spectral line A basically

2 in essence B in disagreement

3 groundbreaking C light or dark band of particular wavelength, used for identifying substances

4 contradictory D revolutionary

5 complementarity E a principle according to which things cannot be studied as having contradictory properties at the same time

b Use the words in the box to replace the words in blue.

Patent

Theorem

Numerals

Symbols

Operations

Integers

1 Mathematicians are interested in natural numbers and numbers which are zero itself or more or less than zero.

2 A legal document to protect an inventor's rightsensures nobody steals the invention.

3 In maths you use systems to combine numbers together in different ways.

4 Weuse these marksto indicate addition, subtraction, multiplication or division.

5 Statements or rulesare used in mathematics.

6 We still use Roman numbersnowadays.

C Find ten words or phrases in this word search using the clues.

Clues

1 principle

2 an angle of 90 degrees

3 a number larger than zero

4 a path round a planet for example

5 obviously separate from others

6 proof

7 to give off energy

8 when for example, the Moon covers the Sun

9 obvious

10the quality of some things of having contradictory properties

Before you read

Discuss these questions with your partner.

-» What is algebra?

-» Can you think of any ways that we use it in our everyday lives?

A Vocabulary

Date: 2016-01-14; view: 1213