Lisa invited the entire third grade to her party.
There are 48 students altogether.
23 of the students are boys and 25 are girls.
9 students will not be able to go to the party.
How many students will be there?

Molly swam 45 meters on Saturday.
She swam 28 meters on Sunday.
The pool is 25 meters long.
How many meters did Molly swim in all?

Billy can play 24 songs in his music book.
He knows the names of 18 different guitar chords.
Billy's music book has 52 songs in it.
How many songs does Billy still need to learn?

Mom made 32 chocolate chip cookies.
It took 24 minutes to mix the ingredients and 16 minutes to bake.
Julie and Matt ate 9 cookies after dinner.
How many cookies were left?

There are 45 questions on the math test.
17 questions are word problems.
28 questions are addition and subtraction problems.
Steve can only answer 38 questions.
How many questions did Steve leave blank?