GCSE Secondary Maths Age 13-17 - Number: Area and Mass - Explained

The video tutorial explains how to calculate the total mass of 25 sheets of A3 card. Each sheet has an area of 1/8 meter squared and a mass of 160 grams per meter squared. The instructor demonstrates the calculation by first finding the mass of one sheet, which is 20 grams, and then multiplying by 25 to get a total of 500 grams. The importance of using correct units is emphasized, as well as the allocation of marks for the problem. The tutorial concludes with a reflection on the straightforward nature of the arithmetic involved.

What is the mass of 1/8 of 160 grams?

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What units should be included in the final answer for the mass of 25 sheets?

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