Roman numerals
Name: _____________________ Date: __________
Show your thinking with numbers, words, or a drawing.
1. What number is LXVI?
2. What number is LXXXVII?
3. What number is LXXXVI?
4. What number is LVIII?
5. What number is XVI?
Answer key ยท Roman numerals
1. 66
I = 1, V = 5, X = 10, L = 50.
The symbols go from largest to smallest, so add them: 50 + 10 + 5 + 1.
LXVI = 66.
2. 87
I = 1, V = 5, X = 10, L = 50.
The symbols go from largest to smallest, so add them: 50 + 10 + 10 + 10 + 5 + 1 + 1.
LXXXVII = 87.
3. 86
I = 1, V = 5, X = 10, L = 50.
The symbols go from largest to smallest, so add them: 50 + 10 + 10 + 10 + 5 + 1.
LXXXVI = 86.
4. 58
I = 1, V = 5, X = 10, L = 50.
The symbols go from largest to smallest, so add them: 50 + 5 + 1 + 1 + 1.
LVIII = 58.
5. 16
I = 1, V = 5, X = 10, L = 50.
The symbols go from largest to smallest, so add them: 10 + 5 + 1.
XVI = 16.
Try it together
Choose a question from the printable. Use objects or a drawing to show your thinking, then explain your method to someone at home.