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CodeSignal

Understanding Inequalities

via CodeSignal

Overview

You'll discover what inequality symbols really mean and how to compare quantities with confidence. You'll translate everyday phrases like "at least" and "no more than" into symbols, test whether a value fits a range, and learn to both draw and read inequalities on a number line.

Syllabus

  • Unit 1: Greater and Less Than
    • Comparing Numbers Practice
    • Choosing Comparison Symbols
    • Checking Inequality Statements
    • Choose The Comparison Symbol
  • Unit 2: Including the Boundary
    • Boundary Values in Inequalities
    • Match Inequality Symbols And Meanings
    • Strict and Inclusive Bounds
    • Complete The Inequality Statements
    • Choose The Inclusive Symbol
  • Unit 3: Translating Comparison Phrases
    • Match Inequality Phrases And Symbols
    • Complete The Inequality Statements
    • Choose The Inequality Symbol
    • Justify An Inequality Rule
  • Unit 4: Inequalities Versus Equations
    • Equations and Inequalities Solutions
    • Finish Equation Inequality Statements
    • Counting Values That Satisfy Inequalities
    • Inequality Solution Sets
    • Explain The Price Range
  • Unit 5: Checking Solution Values
    • Complete The Inequality Checks
    • Testing Values in Inequalities
    • Boundary Values in Inequalities
    • Does The Order Qualify
    • Testing Inequality Solutions
  • Unit 6: Graphing and Reading Inequalities
    • Open or Closed Endpoints
    • Complete Inequality Graph Statements
    • Matching Inequalities to Graphs
    • Complete Number Line Inequalities
    • Match Inequalities And Graphs
    • Reading Inequalities From Graphs
    • Reading Inequalities From Graphs

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