CBSE Class 3  >  Class 3 Notes  >  Mathematics (Maths Mela)  >  Unit Test (Solutions): House of Hundreds - II

Unit Test (Solutions): House of Hundreds - II

Time: 1 Hour
M.M.: 20
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.

Q1. Write the number name for 947. (1 Mark)

Ans: Nine hundred forty-seven

Explanation: 947 = 900 + 40 + 7, which is read as nine hundred forty-seven.

Q2. Between which two hundreds does 345 lie? (1 Mark)

Ans: 300 and 400

Explanation: 345 has 3 hundreds, so it lies between 300 and 400.

Q3. What is 5 less than 625? (1 Mark)

Ans: 620

Explanation: 625 - 5 = 620.

Q4. Write the number that comes 10 after 703. (1 Mark)

Ans: 713

Explanation: Adding 10 increases the tens value. 703 + 10 = 713.

Q5. Which number is greater: 759 or 810? (1 Mark)

Ans: 810

Explanation: 810 has 8 hundreds, while 759 has 7 hundreds. So, 810 is greater.

Q6. Fill in the table. (2 Marks)

NumberNeighbouring Hundreds
183100 and 200
734700 and 800

Explanation:

183 lies between 100 and 200.

734 lies between 700 and 800.

Q7. Use the number line to find the number of steps. (2 Marks)

(a) 667 - ___ steps = 650
(b) 667 + ___ steps = 700

Ans:

(a) 17 steps

(b) 33 steps

Explanation: 667 - 650 = 17 and 700 - 667 = 33.

Q8. Answer the following. (2 Marks)

(a) A number between 595 and 605.
(b) Two more than 610.

Ans:

(a) 600 (Any number from 596 to 604 is correct)

(b) 612

Explanation: 610 + 2 = 612.

Q9. Write different forms of 368. (3 Marks)

Ans:

(a) Expanded form: 300 + 60 + 8

(b) Place value form: 3 hundreds + 6 tens + 8 ones

Explanation: 368 = 3H + 6T + 8O.

Q10. Write any two numbers between 400 and 450 that contain the digit 5. (3 Marks)

Ans: 415 and 435 (other correct answers possible)

Explanation: The number must be greater than 400, less than 450, and contain the digit 5.

Q11. Using the digits 3 and 8, answer the following. (3 Marks)

Ans:

(a) Two 2-digit numbers: 38, 83

(b) Two 3-digit numbers: 338, 883

(c) Largest number possible: 888

Explanation: Repeating the largest digit (8) gives the greatest possible number.

The document Unit Test (Solutions): House of Hundreds - II is a part of the Class 3 Course Mathematics for Class 3 (Maths Mela).
All you need of Class 3 at this link: Class 3

FAQs on Unit Test (Solutions): House of Hundreds - II

1. What is the concept of the House of Hundreds?
Ans. The House of Hundreds is a mathematical concept that helps students understand the place value system, particularly focusing on the hundreds place. It is often visualised as a structure where each section represents a different place value, aiding in the comprehension of larger numbers and their relationships.
2. How can the House of Hundreds aid in learning addition and subtraction?
Ans. The House of Hundreds serves as a visual tool that allows students to organise numbers based on their place values. When performing addition or subtraction, students can easily align the numbers according to hundreds, tens, and units, making it simpler to carry over or borrow when necessary.
3. Why is understanding place value crucial in mathematics?
Ans. Understanding place value is fundamental in mathematics as it ensures that students grasp how numbers are constructed and how they relate to one another. This knowledge is essential for performing operations like addition, subtraction, multiplication, and division accurately, as well as for understanding larger numerical concepts.
4. Can you provide an example of how to use the House of Hundreds to solve a problem?
Ans. Certainly! For instance, if you want to add 245 and 318 using the House of Hundreds, you would place 245 in one section and 318 in another, aligning the hundreds, tens, and units. Then you would add the hundreds (2 + 3 = 5), the tens (4 + 1 = 5), and the units (5 + 8 = 13), resulting in 563 after carrying over the 1 from the units to the tens.
5. What are some activities that can help reinforce the concept of the House of Hundreds?
Ans. Activities such as building a physical model of the House of Hundreds with blocks, using place value charts, or engaging in interactive games that involve arranging numbers can reinforce the concept. Additionally, group activities where students create their own number problems using the House of Hundreds can further solidify their understanding.
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