Unit-2 - Technical English -Fractions and Ordinals
1. Unit (2) Fractions and Ordinals
Ex. 1.B
Ex. 1.C
1. The symbol ¾ is a common fraction.
2. 0.25 is a decimal fraction.
3. The symbol % means percentage.
4. In the fraction ½ the number 1 is the numerator.
5. In the fraction ¼ the number 4 is the denominator.
6. The word for the fraction 1/3 is a third.
7. The common fraction 1/5 is the same as 20%.
8. The decimal fraction 0.10 is the same as the common fraction 1/10 .
Vocabulary
1
رمز
symbol
2
كلمات
words
3
جزء
/
كسر
fraction
4
( بسيط كسر
1
/
2
)
common fraction
5
( عشري كسر
0.25
)
decimal fraction
6
مئوية نسبة
)%(
Percentage (%)
7
البسط
numerator
8
املقام
denominator
9
ربع
quarter
10
نصف
half
11
ثلث
third
12
أرابع ثالثة
three-quarters
13
بعر
ني
two-quarters
14
سم
ُخ
fifth
15
شرمع
tenth
16
سم
ُخ
ني
two-fifth
17
من واحد
ينرعش
twentieth
2. Ex. 2.B
Write an ordinal number for each of the cardinal numbers.
a) Twenty-three in cardinal numbers is 23rd.
b) Thirty-one in cardinal numbers is 31st.
c) Forty-two in cardinal numbers is 42nd.
d) Fifty-three in cardinal numbers is 53rd.
e) Sixty in cardinal numbers is 60th.
Write these numbers in words.
a) 41st
is written forty-first.
b) 2nd
is written second.
c) 70th
is written seventieth.
d) 32 is written thirty-two.
e) 77 is written seventy-seven.
Vocabulary
1
األصلية األرقام
cardinal numbers
2
األ
رقام
اتبيةرتال
ordinal number
3
األول
first
4
الثان
second
5
الثالث
third
6
ابعرال
fourth
7
اخلامس
fifth
8
السادس
sixth
9
السابع
seventh
10
الثامن
eighth
11
التاسع
ninth
12
العاشر
tenth
13
عشر احلادي
eleventh
14
عشر الثان
twelfth
15
العشرون
twentieth
16
والعشرون الواحد
twenty-first
17
والعشرون الثان
twenty-second
18
والعشرون الثالث
twenty-three
19
الثالثون
thirtieth