Tales by Dots and Lines
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
The Balancing Act
SubtopicThe Balancing Act under Tales by Dots and Lines for Grade 8 CBSE.
Preview questions (no answers)
- 1.
The point is how many units above the -axis?
A.2 units
B.5 units
C.1 unit
D.3 units
- 2.
If , then is:
A.4
B.0.25
C.0.5
D.1
- 3.
A line graph showing the temperature over 24 hours is most useful for seeing:
A.The total heat
B.The average temperature only
C.The change in temperature over time
D.The color of the sun
- 4.
Solve for in .
A.1
B.3.4
C.0.2
D.1.2
- 5.
A line passes through and . Which of the following is its equation?
A.B.C.D. - 6.
Three consecutive integers add up to . What is the largest integer?
A.B.C.D. - 7.
Solve for : .
A.B.C.D. - 8.
If the perimeter of a rectangle is 100 cm and the length is reduced by 2 cm while the breadth is increased by 2 cm, the area increases by 36 cm. Find the original length of the rectangle.
A.cm
B.cm
C.cm
D.cm
- 9.
Solve for :
A.B.C.D. - 10.
The ratio of the radii of two circles is 3:4. If the difference between their circumferences is 22 cm, find the radius of the larger circle. (Use )
A.cm
B.cm
C.cm
D.cm
Download the worksheet for Tales by Dots and Lines - The Balancing Act to practice offline. It includes additional chapter-level practice questions.
Visualising and Interpreting Data
SubtopicVisualising and Interpreting Data under Tales by Dots and Lines for Grade 8 CBSE.
Preview questions (no answers)
- 1.
The following graph represents the distance traveled by a cyclist over a period of 5 hours. How far did the cyclist travel between the 2nd and 4th hour?
A.B.C.D. - 2.
A student tracks the outside temperature throughout a winter day. The line graph shows the temperature change from 8:00 AM to 4:00 PM. Based on the graph, what was the temperature at 12:00 PM (midday)?
A.B.C.D. - 3.
What is the area of the rectangle formed by the points , , , and ?
A.sq units
B.sq units
C.sq units
D.sq units
- 4.
How many units away is the point from the -axis?
A.units
B.units
C.units
D.units
- 5.
The following line graph shows the temperature of a patient in a hospital, recorded every hour. Based on the graph, what was the patient's temperature at 10:30 AM?
A.C
B.C
C.C
D.C
- 6.
The graph depicts the growth of a plant over several weeks. During which interval was the growth rate (slope) the highest?
A.Week 0 to Week 1
B.Week 1 to Week 2
C.Week 2 to Week 3
D.Week 3 to Week 4
- 7.
The graph shows the movement of a robot. It moves from to , then to . What shape is formed by the path and the x-axis?
A.Square
B.Rectangle
C.Triangle
D.Circle
- 8.
A point is located at . It is first moved units left, then reflected over the x-axis. What are the final coordinates of the point?
A.B.C.D. - 9.
The given graph represents the cost of electricity. The fixed monthly charge is represented by the y-intercept. If the cost for units is Rs and the cost for units is Rs , what is the fixed monthly charge?
A.Rs
B.Rs
C.Rs
D.Rs
- 10.
A line passes through the points and . If another point lies on the same line, what is the value of ?
A.B.C.D.
Download the worksheet for Tales by Dots and Lines - Visualising and Interpreting Data to practice offline. It includes additional chapter-level practice questions.