Which of the following tasks is least likely to develop critical thinking among students?
1
Evaluate 89 × 53 in three different ways and compare the result.
2
Formulate any two situations to represent the equation 9x + 4 = 33.
3
A students calculated the volume of a right circular cylinder of radius 7.5 cm and height 20 cm as 68.5 cm3. What did she go wrong?
4
Calculate the volume of a right circular cylinder of radius 6.1 cm and height 36 cm.