Resources tagged with: Calculating with decimals

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Broad Topics > Fractions, Decimals, Percentages, Ratio and Proportion > Calculating with decimals

Reductant Ratios

Age 16 to 18 Challenge Level:

What does the empirical formula of this mixture of iron oxides tell you about its consituents?

Shopping Basket

Age 11 to 16 Challenge Level:

The items in the shopping basket add and multiply to give the same amount. What could their prices be?