Sequence the following tasks as they are taken up while developing the concept of :
(a) Learners use standard units to measure length.
(b) Learners use non-standard units to measure length.
(c) Learners verify objects using simple observation.
(d) Learners understand the relationship between metric units.
- (d), (a), (c), (b)
- (a), (b), (d), (c)
- (b), (a), (c), (d)
- (c), (b), (a), (d)