NumberDiagram

Formula Triangles - Your Memory Aids

Part of Compound MeasuresGCSE Mathematics

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 7 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.

Topic position

Section 3 of 7

Practice

12 questions

Recall

22 flashcards

Formula Triangles - Your Memory Aids

Speed-Distance-Time Triangle

D S T

Cover what you want to find:
D = S × T
S = D ÷ T
T = D ÷ S

Density-Mass-Volume Triangle

M D V

Cover what you want to find:
M = D × V
D = M ÷ V
V = M ÷ D

Pressure-Force-Area Triangle

F P A

Cover what you want to find:
F = P × A
P = F ÷ A
A = F ÷ P

Keep building this topic

Read this section alongside the surrounding pages in Compound Measures. That gives you the full topic sequence instead of a single isolated revision point.

Practice Questions for Compound Measures

Which formula correctly gives speed in terms of distance and time?

  • A. Speed = Distance × Time
  • B. Speed = Time ÷ Distance
  • C. Speed = Distance ÷ Time
  • D. Speed = Distance + Time
1 markfoundation

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.

2 marksstandard

Quick Recall Flashcards

Convert 25 m/s to km/h
Multiply by 3.6 25 × 3.6 = 90 km/h Check: 25 m/s means 25 metres per second 25 × 3600 ÷ 1000 = 90 km/h
Convert 72 km/h to m/s
Divide by 3.6 72 ÷ 3.6 = 20 m/s Check: 72 km/h means 72000 m per 3600 s 72000 ÷ 3600 = 20 m/s

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