Recommended Books

Inchworm and a Half

Elinor J Pinczes

Australian Curriculum:  Description

Use direct and indirect comparisons to decide which is longer, heavier or holds more, and explain reasoning in everyday language (ACMMG006); Measure and compare the lengths and capacities of pairs of objects using uniform informal units (ACMMG019)

Teaching ideas
Measuring other lengths using concrete materials, e.g. string. Explain the history of what sea speed is measured in knots (concrete idea for measuring an abstract concept)