Vidaara.orgClass 7 · Mathematics
CodeVID-M07-04-DIS-01
Distributive Property & Factoring - Assignment
Name: ____________________
Roll No.: __________
Date: ____________
General Instructions
- All questions are compulsory.
- Section A carries 1 mark each, Section B 2 marks, Section C 3 marks and Section D 5 marks.
- Show all working for Sections B, C and D. Only final answers are given at the end — for full solutions, raise your doubts with your teacher.
Section A — Multiple Choice Questions
5 × 1 = 5 marks
1.
$a(b+c)=$
- A.$ab+c$
- B.$ab+ac$
- C.$a+bc$
- D.$abc$
2.
$2(x+3)=$
- A.$2x+3$
- B.$2x+6$
- C.$x+6$
- D.$2x+5$
3.
Factor $6x+9$:
- A.$3(2x+3)$
- B.$3(2x+9)$
- C.$6(x+3)$
- D.$2(3x+9)$
4.
The common factor of $4x$ and $8$ is:
- A.$2$
- B.$4$
- C.$x$
- D.$8$
5.
Factoring is the reverse of:
- A.adding
- B.expanding
- C.dividing
- D.squaring
Section B — Short Answer (2 marks)
4 × 2 = 8 marks
6.
Expand $3(x+4)$.
7.
Expand $5(2x-1)$.
8.
Factor $4x+8$.
9.
Factor $6x-9$.
Section C — Short Answer (3 marks)
4 × 3 = 12 marks
10.
Expand $2(3x+5)-4$.
11.
Factor $10x+15$.
12.
Factor $12a-18$.
13.
Expand $-2(x-4)$.
Section D — Long Answer (5 marks)
2 × 5 = 10 marks
14.
Expand and simplify $3(2x+1)+2(x-4)$.
15.
Factor completely $8x+12y-20$.
Answer Key
Section A — Multiple Choice Questions
- (B) $ab+ac$
- (B) $2x+6$
- (A) $3(2x+3)$
- (B) $4$
- (B) expanding
Section B — Short Answer (2 marks)
- $3x+12$.
- $10x-5$.
- $4(x+2)$.
- $3(2x-3)$.
Section C — Short Answer (3 marks)
- $6x+6$.
- $5(2x+3)$.
- $6(2a-3)$.
- $-2x+8$.
Section D — Long Answer (5 marks)
- $8x-5$.
- $4(2x+3y-5)$.
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