# Diagram/Key

#### Insects in Jars

Rounding to the nearest 10, students determine how many insects are let go from glass jars.

#### Pencils

Students determine how many pencils Mrs. P will need to order for next year's class.

#### Packages of Crayons

Students determine how many packages of twelve crayon boxes the class needs for a year.

#### Pom-poms

Students determine if Amy will get the same total of pom-poms whether she buys packages of four pompoms or packages of seven pompoms.

#### Go Fish

Given twenty goldfish and four fish tanks, students determine if there is an odd or even number of fish in each tank.

#### Cans of Paint

Given the amount of cans of paint on two shelves, student determine how many cans of paint are on the third shelf.

Given a total of 14 lemons, students determine if Mary has enough lemons to make two glasses of lemonade.

#### Betty's Balloons

Students determine how many balloons Betty has left after giving some to Ben.

#### On the Beach

Students determine how many pink shells Kim found on the beach.

#### Dinosaurs

Students determine how many plastic dinosaurs Danny has left after he gives some to a friend.