What is seventeen plus eight?
twenty-five
What is nine plus one?
ten
What is twelve plus nine?
twenty-one
What is eighteen plus three?
twenty-one
What is five plus five?
ten
What is seventeen plus four?
twenty-one
What is twelve plus three?
fifteen
What is twenty-nine plus zero?
twenty-nine
What is fourteen plus three?
seventeen
What is eight plus four?
twelve
What is ten plus five?
fifteen
What is eleven plus seven?
eighteen
What is thirteen plus seven?
twenty
What is twenty-one plus two?
twenty-three
What is fifteen plus five?
twenty
What is six plus eight?
fourteen
What is twenty-one plus nine?
thirty
What is four plus five?
nine
What is twenty-three plus six?
twenty-nine