Vidaara.orgClass 6 · Mathematics
CodeVID-M06-08-EVL-01
Evaluating Expressions - 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.
To evaluate an expression, ___ the value of the variable.
- A.ignore
- B.substitute
- C.double
- D.remove
2.
$2x+1$ at $x=3$ is:
- A.$5$
- B.$7$
- C.$6$
- D.$9$
3.
$x^2$ at $x=4$ is:
- A.$8$
- B.$16$
- C.$12$
- D.$6$
4.
Follow the ___ of operations when evaluating.
- A.reverse
- B.order
- C.half
- D.opposite
5.
$3x$ at $x=5$ is:
- A.$8$
- B.$15$
- C.$35$
- D.$53$
Section B — Short Answer (2 marks)
4 × 2 = 8 marks
6.
Evaluate $x+4$ at $x=6$.
7.
Evaluate $2x$ at $x=7$.
8.
Evaluate $3x-2$ at $x=4$.
9.
Evaluate $\tfrac{x}{2}$ at $x=10$.
Section C — Short Answer (3 marks)
4 × 3 = 12 marks
10.
Evaluate $2x+3$ at $x=5$.
11.
Evaluate $x^2-1$ at $x=4$.
12.
Evaluate $4x-7$ at $x=3$.
13.
Evaluate $3a+2b$ at $a=2,\ b=5$.
Section D — Long Answer (5 marks)
2 × 5 = 10 marks
14.
Evaluate $2x^2+3x-1$ at $x=3$.
15.
Evaluate $5(a+b)-2a$ at $a=4,\ b=3$.
Answer Key
Section A — Multiple Choice Questions
- (B) substitute
- (B) $7$
- (B) $16$
- (B) order
- (B) $15$
Section B — Short Answer (2 marks)
- $10$.
- $14$.
- $10$.
- $5$.
Section C — Short Answer (3 marks)
- $13$.
- $15$.
- $5$.
- $16$.
Section D — Long Answer (5 marks)
- $26$.
- $27$.
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