First
Second
Total
How Much Longer
How Many More
How Much Less
How Much Larger
How Much Smaller
How Many Fewer
How Much Is Left
How Far Above
How Far Below
How Much Further
Difference
Balance
Big
Small

What are already known ?

First
Second
Total
How Much Longer
How Many More
How Much Less
How Much Larger
How Much Smaller
How Many Fewer
How Much Is Left
How Far Above
How Far Below
How Much Further
Difference
Balance
Big
Small