Free classroom resources
Build a better
sense of scale.
Practical maths and science activities using real measurements, visual comparisons and ready-to-print worksheets.
Growing archive
Choose an activity
3 classroom resources
010203
Ages 10–16 / Upper KS2–KS4 · 20–30 minutes
Understanding Size & Scale
Estimate, order and compare familiar objects, microscopic structures and astronomical bodies.Open activity →Ages 11–16 / KS3–KS4 · 25–35 minutes
Orders of Magnitude
Explore powers of ten and scientific notation one 10× step at a time.Open activity →Ages 11–14 / KS3 · Explorer + six-week investigation
Scale Lab: What changes when size changes?
Explore how changing a cube’s size affects length, surface area, volume and surface-area-to-volume ratio, then investigate cooling.Open activity →Each resource is free to use, includes teacher guidance and clearly states its educational licence.
Everyday measurements
Size guides
Start with familiar coins and dry seeds, then explore what the measurements mean.