Addition and Subtraction of Decimals Quiz - CBSE Class 4 Mathematics

Free practice quiz: Addition and Subtraction of Decimals (CBSE Class 4 Mathematics). 16 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

This CBSE Class 4 Mathematics practice quiz has 16 multiple-choice questions on Addition and Subtraction of Decimals, and 16 of them come with an explanation. Try the 5 sample questions below (tap an option to check yourself), then play the full quiz online. No sign-up needed.

Sample questions

1. What is 0.7 + 0.2?

   1. 0.8
   2. 0.9
   3. 0.10
   4. 0.5
   Show answer

   Answer: B. 0.9

   To add 0.7 and 0.2, align the decimal points and add. 0.7 + 0.2 = 0.9.

2. Calculate 2.25 + 4.75.

   1. 6.00
   2. 7.00
   3. 5.00
   4. 5.50
   Show answer

   Answer: B. 7.00

   Align the decimals: 2.25 + 4.75 = 7.00.

3. Calculate 7.8 + 3.6 + 2.1.

   1. 12.5
   2. 13.5
   3. 14.0
   4. 15.0
   Show answer

   Answer: B. 13.5

   First, add 7.8 + 3.6 = 11.4; then, add 11.4 + 2.1 = 13.5.

4. A box contains 24.6 kg of potatoes, and another box contains 11.3 kg. What is the total weight of potatoes in both boxes?

   1. 35.9
   2. 37.0
   3. 36.0
   4. 34.9
   Show answer

   Answer: A. 35.9

   24.6 + 11.3 = 35.9. Add the decimals carefully.

5. If a school has 145.75 meters of fabric and uses 23.45 meters for a project, how much fabric is left?

   1. 122.3
   2. 122.25
   3. 122.30
   4. 122.20
   Show answer

   Answer: C. 122.30

   145.75 - 23.45 = 122.30. Perform the subtraction carefully.

More questions in this quiz

Answers and explanations are in the full quiz.

1. What is 3.4 + 2.1?
2. What is 1.5 - 0.7?
3. What is 3.6 - 2.1?
4. If you have 5.5 apples and give away 1.25 apples, how many apples do you have left?
5. What is the result of 10.00 - 6.75?
6. Samantha has 8.5 meters of ribbon. If she cuts off 3.7 meters, how much ribbon remains?
7. Calculate the result of 10.8 - 6.75 + 2.5.
8. If Jennifer baked 3.5 kg of cookies and sold 1.75 kg, how much does she have left?
9. If Sarah's bank account had a balance of 200.00 dollars, and she accesses 15.75 dollars for lunch, what remains in her account?
10. Compute the total cost if an item costs 30.25 dollars and there is a tax of 1.75 dollars. What is the total amount spent?
11. If a train travels 80.6 km and then another 12.3 km, how far has it traveled?

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