Connect the ideas
A digit has a place and a value; zero holds empty places.
Even numbers make complete pairs; check the ones digit.
Partitioning, compensation and written methods are useful choices.
Use inverse operations to find unknowns and check equality.
A rounded estimate checks size, not every exact digit.
Topic test
Complete each paper and show your working.
Whole numbers and calculations — topic test
12 questions · 19 marks · 30 minutes · By hand