What are the seven basic Roman numerals?

I, V, X, L, C, D, M

Fill in the blank: Roman numerals were developed by the ___ about 2000 years ago.

Romans

True or False: The Roman numeral system includes a symbol for zero.

False. There is no symbol for zero in the Roman numeral system.

Riddle: I am used for counting but have no symbol for nothing. What am I?

Roman numerals

How can any Hindu-Arabic numeral be represented using Roman numerals?

By combining the letters I, V, X, L, C, D, and M according to specific rules.

Fill in the blank: Roman numerals are used in ___, ___, and ___ to indicate numbers.

Movie titles, video games, and clocks

What is the maximum number of times a Roman numeral can be repeated consecutively?

A Roman numeral can be repeated a maximum of three times consecutively.

When a smaller Roman numeral precedes a larger one, what mathematical operation is performed?

Subtraction is performed.

True or False: The symbols V, L, and D can be repeated more than three times.

False. The symbols V, L, and D are never repeated.

Convert the Roman numeral ‘XL’ into its Hindu-Arabic numeral equivalent.

XL equals 40.

What does the bar rule in Roman numerals indicate?

The bar rule indicates that a numeral with a bar over it represents 1000 times its value.

Riddle: I represent 5 but I am not a letter, I can be added with 1 to make 6. What am I?

I am the Roman numeral V.

Fill in the blank: The Roman numeral for 400 is ___.

CD

What is the result when you convert the Roman numeral ‘C’ into Hindu-Arabic numerals?

C equals 100.

If you see the Roman numeral ‘VII’, what is its value?

VII equals 7.

What is the process to convert the number 72 into Roman Numerals?

Break down 72 into its components: 50 (L), 20 (XX), and 2 (II), then combine them to get LXXII.

XII in Roman Numerals equals ___ in Hindu Arabic Numerals.

12

True or False: The Roman numeral representation of 72 is LXXIII.

False. The correct representation is LXXII.

Fill in the blank: To convert Hindu Arabic to Roman Numerals, you first break down the number into ___ and ___.

Tens and ones

What is the value of the Roman numeral 'X'?

10

Riddle: I am a numeral that comes after IX and before XI. What am I?

X (10)

How do you convert the Roman numeral 'L' into Hindu Arabic Numerals?

L equals 50.

Convert the Roman numeral XLIV to Hindu-Arabic numerals.

XLIV = 44 (XL = 40 and IV = 4, so 40 + 4 = 44)