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Chain Sums
Arrange the blocks to make the target sums. Click a block then click a knob to move it. Click two blocks to swap positions.
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Chain Sums - Learning Connections
Essential Skills
Problem Solving
Computational Thinking
Spatial Reasoning
Common Core Connections
MP1 - Make sense of problems and persevere in solving them.
MP7 - Look for and make use of structure.
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