8th Grade Expanding Expressions (Distributive Property) Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the 8th Grade algebraic expressions worksheet.
8th Grade Expanding Expressions (Distributive Property) Worksheet — Level 1 — Answers
Multiply every term inside the parentheses. Then collect like terms.
1.Expand: −5(3x + 1)
Answer: −15x − 5
- −5 × 3x = −15x
- −5 × 1 = −5
2.Expand: −5(6x − 3)
Answer: −30x + 15
- −5 × 6x = −30x
- −5 × −3 = 15
3.Expand: −1(4x + 1)
Answer: −4x − 1
- −1 × 4x = −4x
- −1 × 1 = −1
4.Expand: 4(4x − 2)
Answer: 16x − 8
- 4 × 4x = 16x
- 4 × −2 = −8
5.Expand: 7(4x + 7)
Answer: 28x + 49
- 7 × 4x = 28x
- 7 × 7 = 49
6.Expand: 6(2x − 3)
Answer: 12x − 18
- 6 × 2x = 12x
- 6 × −3 = −18
7.Expand: 1(2x + 7)
Answer: 2x + 7
- 1 × 2x = 2x
- 1 × 7 = 7
8.Expand: 1(x − 8)
Answer: x − 8
- 1 × x = x
- 1 × −8 = −8
9.Expand: 4(5x − 1)
Answer: 20x − 4
- 4 × 5x = 20x
- 4 × −1 = −4
10.Expand: 7(5x + 6)
Answer: 35x + 42
- 7 × 5x = 35x
- 7 × 6 = 42
11.Expand: −2(5x − 2)
Answer: −10x + 4
- −2 × 5x = −10x
- −2 × −2 = 4
12.Expand: 7(3x + 6)
Answer: 21x + 42
- 7 × 3x = 21x
- 7 × 6 = 42
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.
Great work. Here's what to try next:
- 8th Grade Expanding Expressions (Distributive Property) Worksheet — Level 1 (Set 2)
- 8th Grade Expanding Expressions (Distributive Property) Worksheet — Level 2
- 8th Grade Expanding Expressions (Distributive Property) Worksheet — Level 3
- 8th Grade Factoring Expressions (Common Factors) Worksheet — Level 1