Maths will help with almost all of your other subjects here are just a few examples:

English

Tension Diagrams

Science

Solving equations, creating formulae, drawing graphs, speed, density etc.

DT/Art

Scale Drawings, Ratio, Isometric drawings, Symmetry,

Geography

Statistics, Drawing graphs

History

Timelines, Interpretting graphs

Business Studies

Percentages, 4 operations, graphs