In most countries, people work about ___ hours per week.
forty - 40
In most countries, people eat ___ meals a day.
three - 3
There are __ days in a week.
seven - 7
There are ___ seasons in a year.
four - 4
The month of February has ____ or ____ days.
twenty-eight - 28 or twenty-nine - 29
There are ____ seconds in a minute
sixty - 60
There are ___ planets that move around the sun.
eight - 8
There are ___ countries in the European Union.
twenty-seven - 27
There are ____ states in the USA
fifty - 50
There are ___ months in a year.
twelve - 12
A football team has ___ players
eleven - 11
There are ___ letters in the English alphabet.
twenty-six - 26
Antarctica is about one percent rock and ____ percent ice
ninety-nine - 99
There are ____ hours in three days
seventy-two - 72
The Earth has ___ moon
one - 1
Humans have ___ fingers on each hand.
five - 5
About ___ percent of the world has Internet, and 44 percent do not.
sixty-six - 66
About ____ percent of the Earth is water, and 29 percent is land
seventy-one - 71
In the USA, many people believe that the number ___ is bad luck.
thirteen - 13
Water boils at _____ degrees
one hundred - 100
An adult has ____ teeth.
thirty-two - 32