Students will practice simplifying expressions by distributing and combining like terms with this Pyramid Sum Puzzle activity. Simply give each student the template and set of problems. They simplify each expression, cut out the boxes, then paste them onto the template so that each simplified expression is the sum of the two simplified expressions directly above it. See the preview for more detailed directions. **Answers in product image above are purposely incorrect.**

**This version includes operations with both positive and negative integers. **For a version with positive integer operations only, **click here.**

###### This resource is included in the following bundle(s):

**Pre-Algebra Activities Bundle
Algebra 1 Curriculum (with Activities)
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**Algebra 1 Activities Bundle**

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