Question P5–P6 Units and parts
Today’s problem — free all day, every step. Every day has one.
Ayesha read of a book over the weekend. She had 51 pages left to read. How many pages does the book have in total?
Answer
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Cut one amount into equal shares. One number tells you what a share is worth.
In this one. Match the given 51 pages to the 3 unread units it actually represents, not to the whole book or the 5 read units.
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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