Inequalities practice

Graphing single-variable inequalities worksheets

Translate between an inequality and a number-line graph in twenty questions. Choose whole numbers, signed integers or halves; draw graphs, read graphs or mix both tasks, with a separate key.

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For a given inequality, draw its solution on the number line. For a given graph, write an equivalent inequality. Decide whether the boundary belongs to the solution before drawing the endpoint.

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Practice both directions of translation

Choose twenty given inequalities to graph, twenty graphs to read, or a balanced mixed set with ten of each. Whole-number practice uses a nonnegative unit scale; integer practice includes signed values; halves use half-unit ticks and decimal notation.

The comparison checkboxes select symbols in the original question. A negative variable, a negative coefficient or the variable appearing on the right can mean that the solved inequality uses the opposite direction. Always normalize the relationship before choosing the ray.

Learning objective

What this activity builds

Represent a solution set using the correct boundary, endpoint inclusion and ray direction.

Worked example

Graph −x ≤ 2.5.

x ≥ −2.5: a filled endpoint at −2.5 and a ray to the right.

Divide both sides by −1 and reverse the comparison. The value −2.5 is included because equality is allowed. Values to its right, such as 0, make the original inequality true.

Teaching notes

Make the practice count

  • Begin with nonnegative whole-number boundaries.
  • Read each labeled interval before locating a half-unit value.
  • Compare x < 4 with 4 > x; they describe the same set.
  • Use a point on each side of the boundary to check the ray.

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Relationships select the literal operator printed in each prompt. Solving a negated variable can reverse the normalized answer. Mixed mode interleaves exactly ten graph and ten write tasks.

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First page preview: Inequality symbols and properties reference

Inequalities

Inequality symbols and properties reference

Print a complete guide to inequality symbols, number-line graphs and equivalent transformations. Explore addition, subtraction, signed multiplication and division, and transitive comparisons with examples.

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