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10 cards from this deck
A way of comparing quantities or amounts
29\frac{2}{9}92 or 92\frac{9}{2}29 depending on direction
Divide all parts by their HCF
No number except 1 divides evenly into all parts
Multiply by power of 10 to eliminate decimals
Convert to the same unit (smaller unit)
Parts in direct proportion, same scale factor for all
Ratio comparing a part to the total amount
Add up all the parts in the ratio
Divide total by number of parts to find one part
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