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You have 9 balls and a two-pan balance. One of the balls is heavier than the rest. Using the balance only twice how can you work out which is the heavy one? Good Starter promoting Algebraic Thinking
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You have 9 balls and a two-pan balance. One of the balls is heavier than the rest. Using the balance only twice how can you work out which is the heavy one? Good Starter promoting Algebraic Thinking
Handout, Presentation, Worksheet | Grades 6-8