This Mixing in Math: Doble o más lesson plan also includes:
Choose a recipe that caters to the grade level you teach. Unless you have a kitchen in your classroom (what a dream that'd be!), consider mixing together something like pudding or Jello, or even a dry snack mix. Then, assign each class member an ingredient to measure, asking them to double or triple the original measurement. Included are suggestions for making the lesson either easier or more difficult.