Student Instructions

### Island conquer area challenge

Objective: Your mission is to map the islands in Quadrilateral Bay and conquer them by correctly calculating their areas. Materials:  Quadrilateral Bay Treasure Map  Two different color crayons or colored pencils  Island Conquer Coordinate Cards Directions: 1. Both pirates choose a different color pencil or crayon. They write their names at the top of the treasure map, and lightly color the box next to their name. They work together to cut apart the Coordinate Cards and stack them face down. 2. Pirate 1 chooses a card, plots the coordinates on the map, and connects the points. He or she then calculates the area, records that number on the interior of the island, and lightly colors the island to capture it. 3. Pirate 2 checks Pirate 1’s work. If an error is found, Pirate 1 crosses out the number on the island and replaces it with 0 to show that the island was not captured. 4. Pirate 2 draws out a different card and repeats Step 2 using his or her color. Player 1 checks Player 2’s wor