GCSE Secondary Maths Age 13-17 - Number: Fractions - 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 tutorial walks through the arithmetic steps to find the mass of one sheet and then the total mass of 25 sheets, emphasizing the importance of units and the allocation of marks for the solution. The problem is straightforward, requiring basic arithmetic without a calculator.

What is the area of one sheet of A3 card in square meters?

How much does one sheet of A3 card weigh in grams?

Calculate the total mass of 25 sheets of A3 card.

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

Explain the importance of including units in your final answer.