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There are 3 NRICH Mathematical resources connected to NC-AdditionandSubtractionofFractions-R1-Y5, you may find related items under NC.
Broad Topics > NC > NC-AdditionandSubtractionofFractions-R1-Y5This task offers opportunities to subtract fractions using A4 paper.
Can you find ways to make twenty-link chains from these smaller chains? This gives opportunities for different approaches.