CBSE Class 4 Maths Roman numerals Assignment

Question. How many basic numerals are there in the Roman numeration system?
a.10
b.9
c.7
d.4

Answer : C

Question. Which basic Roman numeral can never be subtracted?
a. X
b. I
c. V
d.C

Answer : C

Question. Which is the equivalent Hindu- Arabic numeral for L?
a.5
b.10
c.50
d.1

Answer : C

Question. What is the Hindu- Arabic numeral for XXXIX?
a.39
b.41
c.29
d.19

Answer : C

Question. Find the missing number
IX +XV +XX=………
a.40
b.44
c.45
d.21

Answer : B

Question. Which of the following has no Roman numeral?
a.0
b.13
c.10
d.12

Answer : A

Question. Roman numerals can be repeated…….
a. once
b. twice
c. thrice
d. four times

Answer : C

Question. When the smaller symbol is placed on the left of the bigger symbol ,then we….
a. add
b. subtract
c. multiply
d.divide

Answer : B

Question. Roman numeral which cannot be repeated.
a. I,X
b. C,M
c. V,L
d.D,M

Answer : C

Question. Anita’s age is 48 years. Express in Roman system.
a. XXXXVIII
b. XLVII
c. XLVIII
d.IVIV

Answer : C

Question. Repetition of a Roman numeral means…..
a. multiplication
b. addition
c. subtraction
d.divide

Answer : A

Question. Which of the following Roman numeral is meaningless?
a.XV
b.XIX
c.IXIV
d.IXIX

Answer : C

Question. Write the answers in Roman numerals.
a. 13 +39=…….
b.370÷10 =……
c. 6 × 8 =…..

Answer : A

Write the following Roman numerals in Hindu Arabic Numbers.

Question 1. CLI =
Answer: \(100 + 50 + 10 + 1 = 161\)
In simple words: Add the value of each Roman letter from left to right.

Exam Tip: C is 100, L is 50, and I is 1. When letters decrease or stay the same in value from left to right, simply add them together.

Question 2. CII =
Answer: \(100 + 100 + 1 + 1 = 202\)
In simple words: Add two hundreds and two ones together.

Exam Tip: C represents 100 and I represents 1.

Question 3. CCXCIV =
Answer: \(100 + 100 + (100 - 10) + (5 - 1) = 200 + 90 + 4 = 294\)
In simple words: Group XC as 90 and IV as 4, then add them to 200.

Exam Tip: When a smaller numeral appears before a larger numeral, subtract its value. Here X (10) comes before C (100), and I (1) comes before V (5).

Question 4. CCLVI =
Answer: \(100 + 100 + 50 + 5 + 1 = 256\)
In simple words: Combine two hundreds, a fifty, a five, and a one.

Exam Tip: Add up the values: \(200 + 50 + 6 = 256\).

Question 5. CLXXV =
Answer: \(100 + 50 + 10 + 10 + 5 = 175\)
In simple words: Add 100, 50, two tens, and 5.

Exam Tip: XX stands for 20 and V stands for 5.

Question 6. CCCIX =
Answer: \(100 + 100 + 100 + (10 - 1) = 300 + 9 = 309\)
In simple words: Add three hundreds and the value of IX which is 9.

Exam Tip: IX is formed by subtracting 1 from 10, giving 9.

Question 7. CLXXXIII =
Answer: \(100 + 50 + 10 + 10 + 10 + 1 + 1 + 1 = 183\)
In simple words: Add 100, 50, three tens, and three ones.

Exam Tip: LXXX represents 80, and III represents 3.

Question 8. CCL =
Answer: \(100 + 100 + 50 = 250\)
In simple words: Add two hundreds and a fifty.

Exam Tip: CC is 200 and L is 50.

Question 9. CCXLV =
Answer: \(100 + 100 + (50 - 10) + 5 = 200 + 40 + 5 = 245\)
In simple words: XL means 40, add it to 200 and 5.

Exam Tip: X before L indicates subtraction (\(50 - 10 = 40\)).

Question 10. XXIII =
Answer: \(10 + 10 + 1 + 1 + 1 = 23\)
In simple words: Add two tens and three ones.

Exam Tip: XX is 20 and III is 3.

Question 11. CLXVII =
Answer: \(100 + 50 + 10 + 5 + 1 + 1 = 167\)
In simple words: Add 100, 50, 10, 5, and two ones.

Exam Tip: XVII represents 17.

Question 12. CCCXXV =
Answer: \(100 + 100 + 100 + 10 + 10 + 5 = 325\)
In simple words: Add three hundreds, two tens, and a five.

Exam Tip: CCC is 300, XX is 20, and V is 5.

Question 13. XLV =
Answer: \((50 - 10) + 5 = 40 + 5 = 45\)
In simple words: XL is 40, add 5 to get 45.

Exam Tip: X before L means 10 is subtracted from 50.

Question 14. C =
Answer: \(100\)
In simple words: C represents the Hindu Arabic number 100.

Exam Tip: C stands for Centum, which means 100.

Question 15. CCLV =
Answer: \(100 + 100 + 50 + 5 = 255\)
In simple words: Add two hundreds, a fifty, and a five.

Exam Tip: CC is 200, L is 50, and V is 5.

Question 16. CCLXI =
Answer: \(100 + 100 + 50 + 10 + 1 = 261\)
In simple words: Add two hundreds, 50, 10, and 1.

Exam Tip: LXI represents 61.

Question 17. CCCXII =
Answer: \(100 + 100 + 100 + 10 + 1 + 1 = 312\)
In simple words: Add three hundreds, a ten, and two ones.

Exam Tip: CCC is 300, X is 10, and II is 2.

Question 18. XLI =
Answer: \((50 - 10) + 1 = 40 + 1 = 41\)
In simple words: XL is 40, add 1 to get 41.

Exam Tip: X before L represents subtraction (\(50 - 10 = 40\)).