Vidaara.orgClass 7 · Mathematics
CodeVID-M7-03-CT
Exponents & Powers — Full Chapter Test
Name: ____________________
Roll No.: __________
Date: ____________
General Instructions
- This is a full-length test covering the whole chapter — every topic is included.
- 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.
$2\times2\times2=$
- A.$2^2$
- B.$2^3$
- C.$3^2$
- D.$6$
2.
$(-2)^2=$
- A.$-4$
- B.$4$
- C.$-2$
- D.$2$
3.
In $5^3$, the $5$ is the:
- A.exponent
- B.base
- C.power
- D.product
4.
$(-2)^3=$
- A.$-8$
- B.$8$
- C.$-6$
- D.$6$
5.
In $5^3$, the $3$ is the:
- A.base
- B.exponent
- C.product
- D.factor
Section B — Short Answer (2 marks)
4 × 2 = 8 marks
6.
Write $3\times3\times3\times3$ in exponent form.
7.
Evaluate $(-3)^2$.
8.
Evaluate $2^5$.
9.
Evaluate $(-2)^3$.
Section C — Short Answer (3 marks)
4 × 3 = 12 marks
10.
Evaluate $2^4\times2^2$.
11.
Evaluate $2+3\times4$.
12.
Write $7\times7\times7$ as a power and evaluate.
13.
Evaluate $(2+3)^2$.
Section D — Long Answer (5 marks)
2 × 5 = 10 marks
14.
Evaluate $2^3\times3^2$ and $5^2-2^3$.
15.
Evaluate $3+2\times(5-1)^2$ using the order of operations.
Answer Key
Section A — Multiple Choice Questions
- (B) $2^3$
- (B) $4$
- (B) base
- (A) $-8$
- (B) exponent
Section B — Short Answer (2 marks)
- $3^4$.
- $9$.
- $32$.
- $-8$.
Section C — Short Answer (3 marks)
- $64$.
- $14$.
- $7^3=343$.
- $25$.
Section D — Long Answer (5 marks)
- $72$ and $17$.
- $35$.
Generated by Vidaara.org · Assignment VID-M7-03-CT · vidaara.org