LEARN MATH IN ENGLISH

Learn math in English for beginners!

Part 1

a.       21: Twenty-one

b.       67: Sixty-seven

c.       105: One hundred and five

d.       356: Three hundred and fifty-six

e.       4,444: Four thousand, four hundred and forty-four

f.        6738: Six thousand, seven hundred and thirty-eight

Part 2

Categories	Numbers	In english
Even numbers	2, 4, 6, 8	Two, four, six, eight
Odd numbers	1, 3, 5, 7,	One, three, five, seven
Prime numbers	2, 11, 13, 17	Two, eleven, thirteen, seventeen
Square numbers	4, 9, 16, 25	Four, nine, sixteen, twenty-five
Cube numbers	8, 27, 64, 125	Eight, twenty-seven, sixty-four, one hundred and twenty-five

Part 3

Properties of lead	Values	The written values
Atomic number	82	The atomic number of nickel is eighty-two
Density	11.3 kg/dm³	Eleven point three kilograms per cubic decimetre
Melting temperature	327 °C	Three hundred and twenty-seven degrees Celsius
Thermal conductivity	35.2 W	Thirty-five point two watts
Tensile strength	10 … 20 N/mm²	From ten to twenty newtons per square millimetre
Yield strength	7… 8 MPa	From seven to eight megapascals
Elastic modulus	17.5 GPa	Seventeen-point-five gigapascals
Elongation at fracture	max. 50 %	Maximum fifty percent

 Part 4

Operation	Verb	Example	Written in full
Addition	to add	5 + 4 = 9	Five plus four equals nine
Subtraction	to subtract	5 – 2 = 3	Five minus two equals three
Multiplication	to multiply by / times	4 x 5 = 20	Four times five equals twenty
Division	to divide by	15 : 3 = 5	Fifteen divided by three equals five
Fraction	to calculate fraction		Three times a half equals one point five or three and a half.
Root extraction	to extract the root		The square root of two hundred and fifty-six equals sixteen
Power	to raise a power		Two cubes equals eight / cube of two is eight

 Part 5

2-D shapes	3-D shapes
Square	Cube
Rectangle	Sphere
Triangle	Prism pyramid
Polygon	Cylinder
Hexagon	Cone

 

Criticism and suggestions are helpful for further development.