Page 45 - Mesleki Ingilizce Dersi E-Portfolyosu

NUMBERS

2 NATURAL NUMBERS:Cont nues from 0 to forever
7 9 0 0,1,2,3,4,5,6,7,8,9,10,11...........

1 5

6 4

8 3 COUNTING NUMBERS:Cont nues from 1 to forever

1,2,3,4,5,6,7,8,9,10...........

INTEGERS:all numbers from plus nf n ty to m nus nf n ty

.......-4,-3,-2,-1,0,1,2,3,4.....

....-4,-3,-2,-1,0,1,2,3,4.... consecut ve ntegers
consecut ve numbers
w th a regular ncrement ....-3,-1,1,3,5..... consecut ve odd ntegers

amount are called
sequent al numbers
....-4,-2,0,2,4.... consecut ve even ntegers

ZERO A rat onal number s a

number that can be wr tten
a number

a natural number as a / b (a over b), prov ded

a rat onal numbers that a s an nteger, and b s

a ntager an nteger other than 0.

0 s not the

count

every natural number s an nteger

each count s an nteger odd (+ or -) odd=even

each count s a cold number odd (+ or -) even =odd

every nteger s a rat onal number even (+ or -) even=even
odd*odd=odd
odd*even=even

The numbers should be chosen close to
each other wh le f nd ng the greatest value
of the product of two numbers whose sum
s g ven.
f the product s even

then at least one of the

When f nd ng the greatest value of the sum numbers s even
of the two numbers whose products are
g ven, the numbers should be chosen
farther apart

(+)*(+)=(+)
When f nd ng the smallest value of the (+)*(-)=(-)

product of two numbers whose sum s (-)*(-)=(-)
g ven, the numbers should be chosen far
from each other.

İLKE ORHAN

E6190037