← GCSE Mathematics

R11 Compound units: speed, density, pressure

Currently Secure · last touched 2026-11-03

Next density item: is the division checked against the answer before the final line?

Every change

WhenChangeEvidenceSession
2026-11-03Secure → Secure3 Nov, non-calc: density = mass/volume chosen right, 450/50 given as 90, not corrected after her own check line 50 x 9 = 450. 0/1. One slip on a secure topic; no demotion.session 143
2026-11-02Secure → Secure2 Nov, non-calc, 8-week ageing check: 45 km in 3 hours gave 15kmph, value right, unit attached with no prompt beyond the question's 'give the units'. 1/1 unaided. Tutor then named km/h as the usual written form.session 138
2026-09-03Secure → Secure2 Sep starter: 63 miles in 1 hour 30 minutes → 42 mph, correct (calculator).session 3

In papers

No marked question has been recorded against this topic yet.