Addition and Subtraction
Multiplication
The 10 Commandments
Regnal Numbers
In which century?
100

1 + 1

What is duo?

100

5 x 2

What is decem?

100

I am the Lord your God: you shall not have strange Gods before me.

What is primus?

100

Reigning monarch: Queen Elizabeth ___

What is secunda?

100

Constantine’s Conversion

What is quartus?

200

50 - 20

What is triginta?

200

9 x 10

What is nonaginta?

200

Remember to keep holy the Lord’s Day.

What is tertius?

200

Had many wives: King Henry ___

What is octavus?

200

The Cold War

What is vicesimus?

300

5 + 10

What is quindecim?

300

6 x 3

What is duodeviginti?

300

You shall not kill.

What is quintus?

300

Before Pope Francis: Pope Benedict ___

What is sextus decimus?

300

Industrial Revolution

What is duodevicesimus?

400

100 + 7

What is centum septem?

400

8 x 8

What is sexaginta quattuor?

400

You shall not steal.

What is septimus?

400

During World War II: King George ___

What is sextus?

400

The Great Schism

What is undecimus?

500

1000 - 400

What is sescenti?

500

16 x 125

What is duo milia?

500

You shall not covet your neighbor's wife.

What is nonus?

500

Opened Vatican Council II: Pope John ___

What is vicesimus tertius?

500

The Black Death

What is quartus decimus?