The science museum is 16 miles away.
Danny and his family have already driven 7 miles.
How many more miles do they have left to drive?

The museum has 6 exhibits about birds
and 10 exhibits about magnets.
How many more exhibits are about magnets?

The museum is showing a 9 minute movie about penguins.
There is a 5 minute talk after the movie.
How long is the movie and the talk?

There are 15 activities in the physics room.
Danny has tried 7 activities.
How many activities does Danny have left to try?

Danny and his sister, Emma, built towers with newspaper rods.
Emma's tower was 12 feet tall.
Danny's tower was 9 feet tall.
How much taller was Emma's tower?