Kitchen Math Practice Remember to put in a proper or mixed fraction, reduced, and with the correctly measured amount **We use 1 T., 1 tsp., ½ tsp, ¼ tsp 1 c., ½ c. 1/3 c. ¼ c. Food Fact O Whenever you double or halve a recipe, the temperature of the oven does NOT change. However, the amount of ingredients, cooking time and size of the pan will be affected. Cut in half: ½ c. Cut in half: 2/3 c. Cut in half: 1 ½ c. Cut in half: 3 c. Cut in half: 1 T. Cut in half: ¼ tsp. Cut in half: ¾ c. Double: ½ c. Double: 1/8 tsp. Double: 1 1/3 c. Double: 2 ¼ c. Double: 1 ½ tsp. Double: ¾ tsp. Double: 2 tsp.