- Alex makes several catches
in the first inning of the ball
game. He makes two more
catches in the last inning.
What expression shows how
many catches Alex makes
in all? - There are 15 booths at the
fair. Some of them sell food.
What expression shows how
many booths at the fair do
not sell food? - Jan swims for several minutes
each day. For 8 minutes she
does the sidestroke. What
expression shows how many
minutes Jan does not do the
sidestroke? - Beth has 2 pages of math
homework. She also writes
some pages for science
class. What expression
shows how many pages
Beth writes in all?
2. Liz correctly answers 93
questions on the quiz. She
also correctly answers some
extra credit questions. What
expression shows how many
questions Liz correctly
answers altogether?
4. Ann gets some letters in the
mail on Monday. She gets 4
more letters on Tuesday. What
expression shows how many
letters Ann gets in all?
6. At the zoo, some penguins are
in the water. Twelve other
penguins are on the rocks.
What expression shows how
many penguins altogether are
at the zoo?
8. Pam’s scrapbook has 42
pages. Some of the pages are
still blank. What expression
shows how many pages in
Pam’s scrapbook are not
blank?
Choose your own variable to answer each.- x5, when x 14
- 15 c, when c 9
- n6, when n 11
- y7, when y 15
- 24 r, when r 8
- s9, when s 18
Find the value of each expression.8204-6_074-075 10/20/05 9:19 AM Page 75