Mathematics in Literature and Citizenship

CONDITION Alice’s height changes depending on what she eats or drinks. Normal height is 150 cm. After cake, she becomes 300 cm. After drink, she becomes 75 cm. TASK What mathematical operation best describes Alice’s transformation from normal height to the “after cake” height, and what is the correct ratio?

CONDITION A family uses water during the week as follows: Monday 120 L, Tuesday 150 L, Wednesday 130 L, Thursday 160 L. TASK What is the average daily water consumption, and how would you describe the trend?