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3. Several cards were marked with the numbers 19, 17, 13,
16, 20, 14, 12, 18, 11, and 15. Write the numbers in Roman
numbers, then arrange them in ascending order.

FOR ONLINE READING ONLY
4. Convert XI, XVIII, XV, XVII, and XII into numerals.
5. Write the missing numbers in each of the following sequence:

(a) X, ____, XIV, XVI, ____, XX
(b) ____, XIV, ____, XII, ____, X

6. Read the clock face, then write
the time in numerals.

Roman numbers from XXI to XXXIII

Read the numbers in the following table.

Numerals 21 22 23 24 25 26 27 28 29 30 31 32 33

Roman XXI XXII XXIII XXIV XXV XXVI XXVII XXVIII XXIX XXX XXXI XXXII XXXIII
numbers

Example 1

Write the following numerals in Roman numbers:
(a) 24 (b) 37 (c) 27

Solution

(a) 24 = XX + IV (b) 37 = XXX + VII

= XXIV = XXXVII
Therefore, 24 is XXIV. Therefore, 37 is XXXVII.

6

06/11/2024 17:16:56
MATHEMATICS STD 4 PB 2024.indd 6
MATHEMATICS STD 4 PB 2024.indd 6 06/11/2024 17:16:56