Number 2
1 mark · EasyA packet contains four masses with measurements: 1.6 g, 1.08 g, 1.088 g, 1.168 g. Which mass is the greatest, and by how much does it exceed the smallest mass?
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1.6 g is greatest; difference is 0.512 g
Also accept: 1.6 g, 0.512 g
Common mistakes: 1.168 g; 1.6; 0.52
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Marking points
B1 · 1 mark · Correct identification and correct calculation: 1.6 g and 1.6 − 1.088 = 0.512 g
Worked solution
Greatest mass is 1.6 g; smallest is 1.088 g. Difference: 1.6 − 1.088 = 0.512 g