OCCUPATIONAL ENGLISH FOR ACCOUNTING - ARITHMETICAL SYMBOLS
ARITHMETICAL SYMBOLS
Objective : At the end of the lesson,stundents sould be able to use arithmetical symbols and explain arithmetical problems.
1.1 SYMBOLS
The following symbols are symbols or mathematical symbols.
Symbols
|
Read
|
+
|
Plus and
|
-
|
Minus
|
X
|
Times multiplied by
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:
|
Divided by
|
=
|
Equals ; is equal to ; is
|
(+) is used for addition
(-) is used for subtraction
(x) is used for multiplicand
(:) is used division
1.1 NUMBERS
There
are two kinds of numbers : cardinal and ordinal. Cardinal numbers are
used in counting and to indicate quantities. Ordinal numbers are
used to indicate position in a series. This part shows the spelling of
the cardinal numbers.
1: one 11: eleven
2: two 12: twelve
3: three 13: thirteen
4: four 14: fourteen
5: five 15: fifteen
6: six 16: sixteen
7: seven 17: seventeen
8: eight 18: eighteen
9: nine 19: Nineteen
10: ten 20: Twenty
21 twenty-one 101 a (one) hundred (and) one
30 thirty 200 two hundred
40 forty 225 two hundred (and) twenty-five
50 fifty 1.000 a (one) thousand
60 sixty 2.000 two thousand
70 seventy 3489 three thousand four hundred and eighty-nine
80 eighty 1.000.000 a (one) million
90 ninety 2.000.000 two million*
100 (one) hundred 1.000.000.000 a (one) billion
*note that there is no s on thousand or million
1.3 APPLICATION
Arithmetical/mathematical symbols are read like this:
a. Addition
3+9=12 Three plus nine aquals twelve
3+8 Three plus eight
4+4=? How much are three and four
4+4=8 Four and four are eight
b. Subtraction
17-6 Seventeen minus six
4529-200=? How much are four thousand two hundred and fifty-nine minus to hundred?
14310
-5210
Nought from nought leaves nought. One from leaves nought ( or
nothing). Two from three leaves one. I can’t take (or subtract)
five from four, I must borrow ten; five from fourteen leaves nine. The
difference (or the reminder) is nine thousand none hundred.
c. Multiplication
8x4 Eight times four
1x1=1 Once one is one
2x1=2 Twice two is two
3x5=15 Three times five is fifteen
19x9=? How much are nineteen times nine?
679
x 85
3395
5432
57715
Five
times nine(or nine multiplied by five) are forty-five; I put down five
and carry four. Five times seven are thirty-five and four (that I carry)
are thirty nine; I write down nine and carry three. Five times isx make
thirty and three; I put down thirty-three. Eight times nin (or eight
nine) are seventy-two, I write two and carry seven. Eight sevens make
fifty-six and seven are sixty-three. I put down three and carry six.
Eight sixes make forty-eight and six are fifty-four; I write down
fifty-four.
I
now add he partial resul (or products) five. Two and nine are eleven.
Three and three are six and one are seven. Four and three make seven
five.
d. Division
6:3 six divided by three
100:5=? How much sre one hundred divided by five?
750:50=15 seven hundred and fifty divided by fifty equals fifteen
Conclusion:
- For calculating, we can use the following arithmetical symbols:
(+) is used for addition
(-) is used for subtraction
(x) is used for multiplication
(:) is used for divison
- inounting and calculating we use cardinal numbers, mot ordinal numbers
1 1.4 SUMMARY
As we know, in doing accounting calculation we use arithmetical symbols such as +, -, x. :, and
We
also use cardinal numbers to write the amount of the sum. That’s why it
is suggested in this lesson the arithmetical symbols and cardinal
numbers numbers, so that the students can learn how to explain the
arithmetical problems in accounting.
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