Essay

Name and explain this property: If a<ba < b, then a+c<b+ca+c < b+c.

Question: Name and explain this property: If a<ba < b, then a+c<b+ca+c < b+c.

Sample answer: This is the Addition Property of Inequality. Adding the same number to both sides keeps the numbers in the same order, so the inequality sign stays the same.

Key points:

  • Addition Property of Inequality
  • The same number is added to both sides
  • The inequality sign stays the same

Rubric: Full credit: Names the Addition Property of Inequality and explains that adding the same number to both sides keeps their order. Partial credit: Gives only the property name or a partly correct explanation.

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Updated 2026-08-11

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