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One-step Equations Test Answer Key with Scoring – Grade 6

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Last updated: October 22, 2026 · Written by the Math Made Easy math teachers

Grade 6 Math Test Answer Keys – Mathbot, the Math Made Easy robot coach, with free printable test answer keys for Grade 6

Looking for an one-step equations test answer key? Then this answer key gives the solutions and the scoring guide of the Grade 6 test on Solving One-Step Equations with Inverse Operations. Use this answer key to score the test. Each solution names the operation applied to both sides, and the scoring notes explain how points are given. Award partial credit for correct reasoning with a small arithmetic slip.

Standards: 6.EE.B.5, 6.EE.B.6, 6.EE.B.7 · Level: Grade 6

Question 2 Whole-number equations (2 points)

(a) Add 8: x = 22.

(b) Divide by 7: p = 9.

Scoring: 1 point per part.

Question 3 Division and decimals (2 points)

(a) Multiply by 6: y = 30.

(b) Subtract 4.2: z = 4.8.

Scoring: 1 point per part.

Question 4 Fractions and decimals (2 points)

(a) x = 1 − 25 = 55 − 25 = 35.

(b) m = 6 ÷ 0.4 = 15.

Scoring: 1 point per part.

Question 5 Tape diagram (3 points)

(a) 8x = 56.

(b) Divide by 8: x = 7.

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8x = 56, so x = 7.

(c) 8 × 7 = 56, which matches.

Scoring: 1 point per part.

Question 6 Backpack purchase (3 points)

(a) m − 19 = 23.

(b) Add 19: m = 42.

(c) $42 − $19 = $23, which matches the story.

Scoring: 1 point per part.

Question 7 Find the error (2 points)

(a) The variable is divided by 5, so the inverse is multiplying by 5. Elena divided instead.

(b) n = 8 × 5 = 40; check 40 ÷ 5 = 8.

Scoring: 1 point per part.

Question 8 Pretzel stand (2 points)

(a) 5p = 12.50.

(b) p = 12.50 ÷ 5 = $2.50.

Scoring: 1 point per part.

Question 9 Writing and solving (2 points)

n + 12.5 = 30, so n = 30 − 12.5 = 17.5.

Scoring: 1 point for the equation, 1 point for 17.5.