Grade 6 · Math

Substitute in a linear expression practice

Replace a variable with a given value and follow operation order.

Opening your practice adventure…

Try a sample

Evaluate 6x + 1 when x = 4.

  1. 27
  2. 26
  3. 23
  4. 25
See the answer & why

25

Substitute 4 for x: 6 × 4 + 1 = 25.

A little hint: Substitute the value, multiply, then add.

A teaching tip

After substitution, multiply before adding.

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