Key Definitions
Years to Centuries
Centuries to Years
Stone / Bronze / Iron Ages
Yurt
100

What is History? 

The study of events that happened in the past.

100

Which century is 2025 in?

21 century. We crossed out the last two digits of the year (removed 25) and added 1 to the remaining number (20 + 1).

100

Which years form the 12 century?

1101 - 1200

100

The time in history when humans first made tools out of stone, lived in caves, and hunted animals for food

the Stone Age

100

A round, portable tent covered with felt, was invented in the Iron Age

Yurt

200

What is Periodisation?

The way we divide history into different time parts (periods).

200

Which century is 1975 in?

20 century. We crossed out the last two digits of the year (removed 75) and added 1 to the remaining number (19 + 1).

200

Which years form the 7 century?

601 - 700

200

When people started making tools and weapons out of bronze, a mix of copper and tin, instead of just stone

the Bronze Age

200

People who move from place to place instead of living in one area

Nomads

300

What is Chronological order?

Chronological order is when events are listed in the order they happened, from the earliest to the latest. 

300

Which century is 1865 in?

19 century. We crossed out the last two digits of the year (removed 65) and added 1 to the remaining number (18 + 1).

300

Which years form the 15 century?

1401 - 1500

300

When people began making tools and weapons from iron, which was stronger than bronze and helped them build better things

the Iron Age

300

A roof of the yurt is called . . .

Shanyrak

400

What is Timeline?

A timeline is a special kind of chart that shows events in the order they happened. It helps you see what came first, second, and last, like a picture of a story.

400

Which century is 1731 in?

18 century. We crossed out the last two digits of the year (removed 31) and added 1 to the remaining number (17 + 1).

400

What should you do to find the FIRST year of the century?

To find the beginning (first) year, do this: 1. Take the century number 2. Subtract one 3. Add 01 at the end

400

A group of families who live and travel together

Tribe

400

The wall of a yurt is called . . . 

Kerege

500

What is Decade?

A decade is a group of 10 years.

500

Which century is 1643 in?

17 century. We crossed out the last two digits of the year (removed 43) and added 1 to the remaining number (16 + 1).

500

What should you do to find the LAST year of the century?

To find the ending year: 1. Take the century number 2. Add 00 at the end

500

The art of heating metals to give them desired shapes, which emerged in the Bronze Age

Metallurgy

500

A stick that connects shanyrak with kerege

Uyk