Equations practice

One-step decimal equations worksheets

Practice ten one-step equations with decimal operands and exact terminating solutions. Use inverse operations and check each solution with the original decimal values.

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Solve each equation exactly. Work with the full decimal values and check by substitution; these one-step questions do not ask for rounded answers.

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Undo the operation and check the result

Each ten-question worksheet includes addition, subtraction, multiplication and a variable divided by a constant. The unknown expression can appear on either side of the equal sign. A worked key shows the operations and checks the result in the original equation.

The one-step integer and decimal sets request exact answers. Decimal questions use terminating values; do not round away information while solving.

Learning objective

What this activity builds

Apply inverse operations accurately when an equation contains decimal values.

Worked example

Solve x ÷ 0.4 = 3.5.

x = 1.4.

Multiply both sides by 0.4: x = 3.5 × 0.4 = 1.4. Substituting gives 1.4 ÷ 0.4 = 3.5, so the original equation is true.

Teaching notes

Make the practice count

  • Review decimal multiplication separately if it obscures the inverse operation.
  • Distinguish division by a decimal from multiplication by it.
  • Write exact decimal values through the working.
  • Use estimation to notice a misplaced decimal point.

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Ten equations cover all four inverse-operation families, both equality orientations, and signed values.

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Math SheetNameScore/ 10TeacherDateOne-Step Decimal EquationsSolve each equation. Check your exact answer by substitution.1.r+4=9.32.8.6=d-0.53.18.6=6.2p4.n+5.2=7.35.-11.3=k-4.66.5.4q=10.87.-3.4=y-0.58.7.7b=53.99.6.5=q-1.510.g+7.9=-0.5math-sheet.comPage 1 / 1

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