6 entries

Maths words beginning with O

Obtuse angle: An angle that is more than $90^\circ$ and less than $180^\circ$ .
Odd number: A whole number that cannot be split into two equal groups: there is always one left over. Odd numbers end in $1, 3, 5, 7$ or $9$ .
Operation: A way of combining numbers: addition, subtraction, multiplication, division, or powers.
Origin: The point $(0, 0)$ where the $x$ -axis and $y$ -axis cross.
Outcome: A single possible result of a probability experiment.
Outlier: A data value that is much larger or smaller than the rest. Outliers can pull the mean away from a typical value.