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+c2which 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  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.
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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?