Got Food? Math lesson timeline Day 1: Mix it up! activity. Students will read a recipe and mix up salt dough. Day 2: Students will refer to the salt dough recipe from the previous day and write their own recipes using fractions. Day 3: Students will weigh different foods and complete Data Table sheet. Day 4: Students will look at U-Boat design and solve math problems in groups based on the U-Boats. Day 5- Play Battleship. Pay attention to coordinates while playing the game.