|
What you write |
What you say |
| |
+ |
8+21 |
eight plus twenty-one |
| |
- |
4-3 |
four minus three |
| |
ⅹ |
5ⅹ8 |
five times eight |
| |
÷ |
9÷1 |
nine divided by one |
| |
= |
8-7=1 |
eight minus seven equals one |
| |
. |
14.35 |
fourteen point three five |
| |
% |
89% |
eighty-nine percent |
| |
√ |
√49=7 |
The square root of forty-nine is seven. |
| |
x² |
5²=25 |
Five squared is twenty-five. |
| |
x³ |
5³=125 |
Five cubed is a hundred and twenty-five. |
| |
x⁴ |
5⁴ |
the fourth power of five |
| |
> |
x>y |
x is greater than y |
| |
< |
x<y |
x is less than y |
| |
@ |
eggs @$1.29/doz. |
eggs at a dollar twenty-nine a dozen |
| |
∥ |
AB∥CD |
AB is parallel to CD |
| |
⊥ |
AB⊥CD |
AB is perpendicular to CD |
| |
˚ |
45˚ |
forty-five degrees |
| |
π |
πr² |
pi r squared |