Time
Numbers
Units
Math
100

A period of 100 years

century

100

say the number 

"1.6"

one point six

100

A unit of weight equal to 1,000 grams

kilo

100

A number equal to 1,000,000

million

200

A period of ten years

decade

200

say the number 

"1005"

one thousand and five

200

A unit equal to 1,000 kilograms

ton

200

A number equal to 1,000,000,000

billion

300

A unit of time equal to 60 minutes

hour

300

say the number 

"9.25"

nine point two five

300

A unit equal to 1,000 metres

kilometre

300

One of four equal parts of something

quarter

400

A period of 1,000 years

millennium

400

say the number 

"23 608"

twenty-three thousand six hundred and eight

400

How many minutes are in 365 days?

525 600 minutes

  • 1 day = 24 hours

  • 1 hour = 60 minutes

  • 365 × 24 × 60 = 525,600

400

A mathematical term meaning a part of a whole (e.g., ½, ¾)

fraction

500

The smallest commonly used unit of time in everyday measurement

second

500

say the number 

"1 253 871"

one million two hundred and fifty-three thousand eight hundred and seventy-one

500

A metric unit of length

metre

500

a number that shows how many parts out of 100

percentage

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