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CCSS 7.EE.B.4b · solve, graph & interpret inequalities

Solve and Graph Inequalities Worksheet Generator

Practice the full 7.EE.B.4b job rather than stopping at an algebraic answer. Problems solve a one-variable inequality, graph the solution set with an open boundary point, and interpret the allowed values; challenge mode can require reversing the sign after division by a negative coefficient.

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Solve & Graph Inequalities

Solve & graph inequalities · Grade 7 standard · Seed 271801

1.

A field trip has a fixed $2 fee plus $8 per student. To keep the total below $26, what numbers of students x are possible? Write, solve, graph, and interpret the inequality.

-2023468

Solve first, then place an open circle at the boundary and shade the correct direction.

2.

A fundraiser starts with $17 and earns $7 per sale. To raise more than $101, what values of x are possible? Write, solve, graph, and interpret the inequality.

681012141618

Solve first, then place an open circle at the boundary and shade the correct direction.

3.

A fundraiser starts with $18 and earns $8 per sale. To raise more than $58, what values of x are possible? Write, solve, graph, and interpret the inequality.

02456810

Solve first, then place an open circle at the boundary and shade the correct direction.

4.

Solve and graph: 2x - 12 < 6

4689101214

Solve first, then place an open circle at the boundary and shade the correct direction.

5.

Solve and graph: 6x + 4 > -8

-6-4-202

Solve first, then place an open circle at the boundary and shade the correct direction.

6.

Solve and graph: 5/2x - 2 > 13

246810

Solve first, then place an open circle at the boundary and shade the correct direction.

7.

A field trip has a fixed $13 fee plus $3 per student. To keep the total below $25, what numbers of students x are possible? Write, solve, graph, and interpret the inequality.

-20246810

Solve first, then place an open circle at the boundary and shade the correct direction.

8.

Solve and graph: 1/2x + 11 > 43/4

-6-4-2024

Solve first, then place an open circle at the boundary and shade the correct direction.

9.

A field trip has a fixed $24 fee plus $2 per student. To keep the total below $40, what numbers of students x are possible? Write, solve, graph, and interpret the inequality.

2468101214

Solve first, then place an open circle at the boundary and shade the correct direction.

10.

Solve and graph: 4x + 1/2 < -71/2

-14-12-10-9-8-6-4

Solve first, then place an open circle at the boundary and shade the correct direction.

Construction rule: equations are built around known exact solutions, expression rewrites use exact rational arithmetic, 7.EE.3 money stays in integer cents, and inequality answer graphs are withheld until answers are revealed.

Solving and graphing an inequality

Solve an inequality like an equation, with one important change: when you multiply or divide both sides by a negative number, flip the direction of the inequality sign. Then graph the solution on a number line, using an open circle for < or > and a closed circle for ≤ or ≥, and shade in the direction of the solutions.

Worked examples

  • 3x − 4 > 8: add 4 to get 3x > 12, then divide by 3 to get x > 4. Draw an open circle at 4 and shade to the right.
  • −2x ≤ 10: dividing both sides by −2 flips the sign, so x ≥ −5. Draw a closed circle at −5 and shade to the right.
  • x/2 + 1 < 5: subtract 1 to get x/2 < 4, then multiply by 2 to get x < 8. Open circle at 8, shade to the left.

Common slips

  • Forgetting to flip the sign when dividing by a negative number. −2x ≤ 10 does not give x ≤ −5.
  • Using a closed circle for < or >, which includes a number that is not a solution.
  • Shading the wrong direction. Test a number from the shaded side in the original inequality to check.

How to use this worksheet

Ask students to pick one number from their shaded region and substitute it into the original inequality. The answer key shows the solution and the graph, so both can be checked.

Common Core connection

  • 7.EE.B.4 · Use variables and equations or inequalities to solve problems and explain solutions.

A practical match for the skill this worksheet practises, not a claim that one worksheet teaches or assesses the whole standard. Check the official math standards.

Teacher tip 1

A strict < or > inequality uses an open circle because the boundary value is not included.

Teacher tip 2

Dividing or multiplying both sides by a negative number reverses the inequality sign; adding or subtracting a negative does not.

Teacher tip 3

Example: -2x + 5 > 11 gives -2x > 6, then dividing by -2 flips the sign to x < -3, graphed with an open circle at -3 and shading to the left.

Teacher tip 4

In context, translate the graph back into the units of the problem instead of reporting only x < a or x > a.

Continue the 7.EE progression

Move to another Grade 7 algebra skill

Open Grade 7 expressions/equations hub →

Common questions

Do the worksheets include number-line graphs?

Yes. Student versions include a clean number line for graphing; the checked view and answer key add the exact open-circle boundary and solution ray as vector graphics.

Why only open circles?

The focused Grade 7 standard names inequalities of the forms px + q > r and px + q < r, so this generator stays with strict inequalities.