Question P5–P6 Units and parts
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A bakery bakes two kinds of loaves for its morning batch. ⅜ of the loaves are wholemeal and the rest are white. ⅙ of the wholemeal loaves are raisin loaves. In the whole batch, ¼ of the loaves are raisin loaves. What fraction of the white loaves are raisin loaves?
Answer
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Cut one amount into equal shares. One number tells you what a share is worth.
In this one. Choose a convenient total of 48 so that every “fraction of” becomes a whole-number count, then subtract the known wholemeal raisin loaves from all the raisin loaves.
A single amount is split by a ratio, a fraction or a percentage. One extra number gives you the leftover, the difference, or the value of one share.
Children match the given number to the wrong number of shares, using the whole bar when the number covers only the leftover or the difference between two people's shares.
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