Page 49 - STEPS MATHEMATICS 4A

Rod surfaces

Gary is estimating the total area of Cuisenaire rods.
He checks his estimates by drawing nets of the rods
on 1 cm squared paper.
This is what he wrote for the green rod.

Remember to
estimate /irst.
Choose one rod at a time
and do the same as Gary

List the rods in ascending order
of their areas.
Your list might start like this.

rod

r&dl rod

Write about any patterns you have found.

CHALLENGE

Investigate the total length of the edges
of each rod. Show what you do to find out.
Write about any patterns you find.