1000 (a thousand, one thousand)
1005 (a thousand and five, one thousand and five)
          (a thousand five)

1037 (a thousand and thirty-seven)
         (one thousand and thirty-seven)
         (one thousand thirty-seven)

1100 (a thousand one hundred)
         (one thousand one hundred)
         (eleven hundred)

1312 (a thousand three hundred and twelve)
       (one thousand three hundred and twelve)
       (thirteen hundred and twelve)

2464 (two thousand four hundred and sixty-four)
          (two thousand four hundred sixty-four) 


3968 (three thousand nine hundred and sixty-eight)
         (three thousand nine hundred sixty-eight)

9689 (nine thousand six hundred and eighty-nine)
         (nine thousand six hundred eighty-nine)

10,000 (ten thousand)
 
10,234  (ten thousand two hundred and thirty-four)
             (ten thousand two hundred thirty four)


10,358 (ten thousand three hundred and fifty-eight)
            (ten thousand three hundred fifty-eight) 


37,892 (thirty-seven thousand eight hundred and 
                                                                            ninety-two)
(thirty-seven thousand eight hundred ninety-two)


56,745 (fifty-six thousand seven hundred and forty-five)
            (fifty-six thousand seven hundred forty-five)

87,936 (eighty-seven thousand nine hundred and 
                                                                          thirty-six)
           (eighty-seven thousand nine hundred 
                                                              thirty-six) 


100,000 (a hundred thousand/one hundred thousand)

138,865 (a hundred and thirty-eight thousand, 
              eight hundred and sixty-five)
             (one hundred and thirty-eight thousand,
               (eight hundred and sixty-five)

398,729 (three hundred and ninety-eight thousand
              seven hundred and twenty-nine)

         (three hundred ninety-eight thousand
               seven hundred twenty nine)

1,000,000 (a million/one million)


2,425,698 (two million, four hundred and twenty-five 
                  thousand, six hundred and ninety eight)


1,000,000,000 (a/one billion)
1,000,000,000,000 (a trillion/one trillion)

Cardinal Numbers 
first - 1st                          
second-2nd 
third-3rd 
fourth- 4th 
fifth-5th 
sixth-6th 
seventh-7th 
eighth-8th 
ninth-9th 
tenth-10th 
eleventh-11th 
twelfth-12th 
thirteenth-13th
fourteenth-14th 
fifteenth-15th 
sixteenth-16th 
seventeenth-17th 
eighteenth-18th 
nineteenth-19th 
twentieth-20th 
thirtieth -30th
fortieth-40th 
fiftieth-50th 
sixtieth-60th
seventieth-70th
eightieth-80th
ninetieth-90th
a hundreth-100th
twenty-first-21st
thirty-fourth-34th 
fifty-sixth -56th 
seventy-ninth-79th
eighty-third-83rd 
ninety-ninth-99th 
a hundred and fifth-105th

Fractions 
½ (a half)
1/3  (a third)
¼ (a quarter)
1/5  (a fifth)
1/8 (an eighth)
1/10 (a tenth) 
also one half, one third etc.

2/14  two fourteenths
3/20  three twentieths            
7/100 seven hundredths/seven one hundreths

Decimals   
1.5  one point five          
3.7  three point seven 
8.9 eight point nine      
25.3 twenty-five point three 
0.5 zero point five, o point five, point five         
0.37  zero point three seven, o point three seven 
         point three seven 

Percentages 
1% one percent            
20% twenty percent 
10% ten percent    
30.5% thirty point five percent 

Mathematical Notations 
addition, subtraction, multiplication, division 
+ plus, add, and                        
- subtract, minus, take (away) 
x multiplied by, by 
÷ divided by 
=  equals, is

2+1=3  two plus one equals three. 
            two add one is three. 
            two and one is three.

10-5=5  ten subtract five is five. 
              ten minus five equals five.
              ten take five is five. 
              ten take away five equals five.

2 x 2 = 4     two multiplied by two is four. 
                   two by two equals four.


6÷2=3   six divided by two equals three. 
              six over two is three.

2^2​ =4      two squared is four.
                two to the power of two equals four.

2^3  =8      two cubed is eight. 
                two to the power of three is eight. 

2^4  =16    two quadrupled equals sixteen.
               two to the power of four is sixteen. 

2^5  = 32   two to the power of five is thirty-two 

2^6  =64    two to the power of six equals sixty-four.