Data and charts · Usually met around P4
Bigger bar charts and rounding
From “Reading bar charts with big numbers” to “Venn and Carroll diagrams”, step by step, each skill with its methods, worked examples and answers.
Skills in this topic, easy to hard
- Reading bar charts with big numbersFind what a square stands for, then read the bar
- Starting line graphsRead the scale's step first; steeper means a bigger change
- Rounding to tens and hundredsLook at the next place: 0–4 down, 5–9 up
- Making bar charts with big scalesChoose the smallest scale that fits the biggest value
- Venn and Carroll diagramsCount the overlap only once
Practise it in the game →Bigger bar charts and rounding · Free to start, unlimited questions, no downloadAll maths topics →