This diagram covers Formula Triangles - Your Memory Aids within Compound Measures for GCSE Mathematics. Revise Compound Measures in Number for GCSE Mathematics with 12 exam-style questions and 22 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 3 of 8 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.
Formula Triangles - Your Memory Aids
Speed-Distance-Time Triangle
Cover what you want to find:
D = S × T
S = D ÷ T
T = D ÷ S
Density-Mass-Volume Triangle
Cover what you want to find:
M = D × V
D = M ÷ V
V = M ÷ D
Pressure-Force-Area Triangle
Cover what you want to find:
F = P × A
P = F ÷ A
A = F ÷ P
Practice questions for Compound Measures
Which formula correctly gives speed in terms of distance and time?
A car travels 80 km at 40 km/h and then 80 km at 80 km/h. Explain why the average speed for the whole journey is NOT 60 km/h.