Stage: 2 Challenge Level: 
What are you trying to find out?
What do the two weights weigh altogether?
If you took the quarter pie off the scales, what could you do to the whole pie to make the scales balance?
What do the two weights weigh altogether?
If you took the quarter pie off the scales, what could you do to the whole pie to make the scales balance?
Calculating with fractions. Addition & subtraction. Investigations. Fractions. Multiplication & division. Trial and improvement. Working systematically. Properties of numbers. Factors and multiples. Mass and weight.
Published December 2000.
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