I need to solve the problem by letting students write down formulas and packages first. During the wait, we go shopping and buy the ingredients aren't we just modify a bit and then went through the recipe.
I need a solution The students write down the recipes and packages before. While waiting, we go shopping And the ingredients are purchased, we do not change the formula a little bit. Went well.
I must solve the problem by giving the students taking the formula and the package before waiting for her to go shopping. And ingredients that can"t be bought, we modify the formula a little and went well.