A
My mum’s birthday is (01.12).
on the first of December
He was born (1975).
in nineteen seventy-five
in the year nineteen seventy-five
She is tall enough for (3 year).
A) the girl of three years old
B) the girl of three
C) a girl of three
D) a girl of three years
A GIRL OF THREE
There are (240 students) at school.
two hundred and forty students
(5 year) boy played with a ball in the garden.
A) a five-year boy
B) the fifth-year-old boy
C) a five-years-old boy
D) a five-year-old boy
a five-year-old boy
Correct a mistake:
There are four hundreds people in the building.
There are four hundred people in the building.
Correct a mistake:
We bought three pizzas but later we ordered the fourth.
We bought three pizzas but later we ordered a fourth.
Correct a mistake:
Every four year they have elections.
Every fourth year they have elections.
Correct a mistake:
They were waiting for their friends for half hour.
They were waiting for their friends for half an hour.
Correct a mistake:
This shirt doesn’t fit him. He needs a size 12.
This shirt doesn’t fit him. He needs size 12.
Correct a mistake:
Hundred of people greeted the celebrity.
Hundreds of people greeted the celebrity.
Correct a mistake:
People pay twenty per cents of income for taxes.
People pay twenty per cent of income for taxes.
Correct a mistake:
The hurricane occurred at the end of the twenty century.
The hurricane occurred at the end of the twentieth century
Correct a mistake:
David accused a 30-years-old man of the robbery.
David accused a 30-year-old man of the robbery.
Correct a mistake:
Greg couldn’t find the Volume 6 in the library.
Greg couldn’t find Volume 6 in the library.
Z-10
Z to the minus tenth power
a:b=c
a divided by b equals (is equal) c (to c)
4 5/7
four and five sevenths
63.5718
sixty-three point five seven one eight
32
three squared
three to the power two
the second power of three
a+b = c+a
b+c a-c
a plus b over b plus c equals c plus a over a minus c
5√a7
the fifth root out of a to the power seven
2+x+√4-x3 = 10
two plus x plus the square root of four minus x cubed equals ten
√4=2
the square root of four is two
the square root out of four equals two
a m/n = n√am
a to the m/n -th power equals the n-th root of a to the m-th power