3 x 7
What is 21?
34+12
What is 46?
12-8
What is 4?
This planet is the second-biggest in the solar system.
What is Saturn?
Kangaroos live in this country.
What is Australia?
4 x 9
What is 36?
45+13
What is 58?
32-11
What is 21?
This is the tallest mountain in the world.
What is Mount Everest?
This is the smallest state in the US.
What is Rhode Island?
6 x 7
What is 42?
12+19
What is 31?
34-17
What is 17?
Who discovered E = mc2
Who is Albert Einstein?
This was the last state to join the US.
What is Hawaii?
9 x 8
What is 72?
45 + 46
What is 91?
56-29
What is 27?
This space object sucks up stuff and is huge!
What is a black hole?
This is the largest state in the US.
What is Alaska?
11 x 12
What is 132?
102 + 109
What is 211?
103-67
What is 36?
This event started the universe.
What is the Big Bang?
In 1912, this famous ship sank after hitting an iceberg.