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Unit Test: A Peek Beyond the Point | Mathematics (Ganita Prakash) Class 7 - New NCERT PDF Download

Maximum Marks: 30
Attempt all questions

  • Question numbers 1 to 5 carry 1 mark each.
  • Question numbers 6 to 8 carry 2 marks each.
  • Question numbers 9 to 11 carry 3 marks each.
  • Question numbers 12 to 13 carry  5 marks each.

Q1. What is the decimal form of 45 tenths? (1 Mark)
(a) 4.5
(b) 
45.0
(c) 
0.45
(d) 
450

Q2. How many millimeters are in 1 centimeter? (1 Mark)
(a) 
100
(b) 
10
(c) 
1000
(d) 
1

Q3. What is the place value of 7 in the number 12.374? (1 Mark)
(a)
Tenths
(b) 
Hundredths
(c) 
Thousandths
(d) 
Units

Q4. State whether the following statement is True or False:  (1 Mark)
"Adding zeros to the right of a decimal number after the last digit changes its value."

Q5. Which number is closest to 2? (1 Mark)
(a) 
1.9
(b) 
2.1
(c) 
2.01
(d) 
2.11

Q6. Convert 345 mm to centimeters and express the answer in decimal form. (2 Mark)

Q7. Add the decimals 8.56 and 3.27. (2 Mark)

Q8. Find the next three terms in the decimal sequence: 2.5, 3.0, 3.5, 4.0, ... (2 Mark)

Q9. Convert 567 grams to kilograms using decimals, and verify by converting back to grams. (3 Mark)

Q10. Subtract 7.89 from 12.34 and estimate the answer using whole number parts before calculating. (3 Mark)

Q11. Write the decimal forms of the following : 25 tens, 25 ones, 25 tenths, and 25 hundredths (3 Mark)

Q12. A shop sells cloth at ₹25.50 per meter. Calculate the cost of 3.2 meters of cloth. Then, convert 750 paise to rupees and determine if it is enough to pay for the cloth. (5 Mark)

Q13. Answer the following (5 Mark)
(i) Pinto delivers 3.65 L, 4.15 L, and 4.1 L of milk to a dairy on the first three days. In 6 days, he supplies a total of 24.8 litres of milk. How much milk does he supply on the last three days? 
(ii) Indian Railways offers an optional travel-insurance scheme for passengers who book e-tickets. The premium is 60 paise per passenger. On one busy day, 1.25 lakh passengers choose this insurance. How much money (in rupees) does Indian Railways collect as the insurance premium that day?

You can access the solutions to this Unit Test here.

The document Unit Test: A Peek Beyond the Point | Mathematics (Ganita Prakash) Class 7 - New NCERT is a part of the Class 7 Course Mathematics (Ganita Prakash) Class 7 - New NCERT.
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FAQs on Unit Test: A Peek Beyond the Point - Mathematics (Ganita Prakash) Class 7 - New NCERT

1. What is the significance of the Point class in programming?
Ans. The Point class is significant in programming as it allows for the representation of a point in a two-dimensional or three-dimensional space. It typically consists of coordinates that define its position, enabling the manipulation and calculation of geometric shapes, distances, and other mathematical functions.
2. How can we create an instance of the Point class?
Ans. To create an instance of the Point class, you typically need to use a constructor method provided by the class, which initializes the coordinates. For example, you might use a syntax similar to `Point myPoint = new Point(3, 4);` where 3 and 4 are the x and y coordinates of the point.
3. What methods are commonly found in a Point class?
Ans. Common methods in a Point class include getters and setters for the x and y coordinates, a method to calculate the distance to another point, and methods for comparing points or checking equality. These methods help in manipulating and utilizing point data effectively in various applications.
4. Why is unit testing important for the Point class?
Ans. Unit testing is important for the Point class because it ensures that all functionalities, such as coordinate manipulation and distance calculations, work correctly. Testing can help identify bugs early in the development process, ensuring reliability and robustness in applications that utilize the Point class.
5. How do we perform unit testing on the Point class?
Ans. To perform unit testing on the Point class, you can use a testing framework such as JUnit. You would write test cases that create instances of the Point class and test various methods, asserting expected outcomes against actual results. This validates that the class behaves as intended under different scenarios.
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