How to Do Basic Percentages with the Table of Joy

Filling in the gaps with the information you’ve been given.

Now it’s time to fill in the numbers. The whole of anything is always 100% – in almost every percentage sum you do, you’ll need to put 100% in one of the boxes. Here, it goes in the middle right – in the ‘per cent’ column and the ‘whole thing’ row.

The question also states that the ‘whole thing’ is £340, so that has to go in the ‘whole thing’ row and the ‘pounds’ column – the middle.

The last number you know about is that your answer has to be 20% of the whole thing, so you have to put 20 in the ‘per cent’ column and the ‘part’ row, which is the bottom right square.

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