This math topic focuses on understanding the principle of balance using three beams, combined with the basic algebra concepts of substitution and subtraction to find simple answers. It provides practical exercises that require learners to determine which shapes will balance a scale, reinforcing algebraic thinking and problem-solving skills through visual interpretation and logical deduction. The questions progressively build on these concepts, allowing for the application of learned skills in varying scenarios for effective practice.
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Which shapes will balance the bottom scale?