← Back to chapter
Vidaara.orgClass 3 · Mathematics
CodeVID-M3-00-CT
Scaled Graphs — Full Chapter Test
Chapter: Scaled Graphs
Topic: Complete chapter — all topics
Maximum Marks: 35
Time: 75 minutes
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.
The height of a bar shows its:
  • A.name
  • B.value
  • C.colour
  • D.width
2.
A line plot shows data using ___ above a number line.
  • A.bars
  • B.X marks
  • C.circles
  • D.lines
3.
In a scaled graph, each step stands for:
  • A.always $1$
  • B.more than $1$
  • C.zero
  • D.a half
4.
Each X stands for:
  • A.one data value
  • B.ten values
  • C.a half
  • D.a total
5.
If each step is $2$ and a bar reaches $3$ steps, its value is:
  • A.$3$
  • B.$5$
  • C.$6$
  • D.$23$
Section B — Short Answer (2 marks) 4 × 2 = 8 marks
6.
If each step is $2$ and a bar reaches $3$ steps, find the value.
7.
If $\tfrac12$ has $3$ Xs, how many data points are at $\tfrac12$?
8.
The tallest bar shows which value?
9.
Each X stands for how many data points?
Section C — Short Answer (3 marks) 4 × 3 = 12 marks
10.
Each step $=10$. A bar of $5$ steps shows what value?
11.
On a line plot, $\tfrac14$ has $2$ Xs and $\tfrac12$ has $4$ Xs. Which is more common?
12.
Each step $=2$. Bar A is $4$ steps, bar B is $6$ steps. Find the difference.
13.
How many data points if the Xs are $2+3+1$?
Section D — Long Answer (5 marks) 2 × 5 = 10 marks
14.
A bar graph uses a scale where each step $=5$. Three bars are $4$, $6$ and $2$ steps tall. Find the value of each bar.
15.
A line plot of ribbon lengths shows $\tfrac14$ m ($2$ Xs), $\tfrac12$ m ($4$ Xs), $\tfrac34$ m ($1$ X). How many ribbons in all, and which length is most common?

Answer Key

Section A — Multiple Choice Questions
  1. (B) value
  2. (B) X marks
  3. (B) more than $1$
  4. (A) one data value
  5. (C) $6$
Section B — Short Answer (2 marks)
  1. $6$.
  2. $3$.
  3. The largest.
  4. One.
Section C — Short Answer (3 marks)
  1. $50$.
  2. $\tfrac12$.
  3. $4$.
  4. $6$.
Section D — Long Answer (5 marks)
  1. $20$, $30$, $10$.
  2. $7$ ribbons; $\tfrac12$ m.
Generated by Vidaara.org · Assignment VID-M3-00-CT · vidaara.org