Use rounding to estimate answers; express possible resulting errors using inequality notation a < x ≤ b.
Building BlocksA gentle start with clear first steps
SupportGuided practice to build confidence
CoreSecure practice at the expected level
Greater DepthReasoning and problems to stretch
Learning Made Personal
Learning path
To be successful, pupils need
KS3 · This skillN14Estimation and error intervals
Continues at GCSE
GCSE specification reference
See how every skill connects on the KS3 skills map