As I stated, an open number model is a equation or word problem that states a mathematical problem that uses math signs, symbols and numbers to describe the situation.

Apr 28th, 2015

Normal recipe calls for 1/2 cup of almonds. 1/2 cup = 4 oz. Cy is making 3/4 of the recipe.

3/4 * 4/1 = 3 oz of almonds needed for 3/4 of the normal recipe.