← 3.3 Mass, Volume, Weight and Density
Tools for weighing, and weighing honestly
Mathematics · Grade 9 · about 40 minutes
Know which instrument gives a true mass, and why an accurate scale protects both trader and customer.
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- 9 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- Tools for weighing, and weighing honestly
- Units of mass
- Converting units of mass
- Mass and weight
- What density means
- Finding mass, volume or density
- Density and floating
- Density in daily life