Understanding number and place value

1 Understand and use the concept of place value in whole numbers and decimals, relating this to computation and the metric system of measurement.

• Reading and writing whole numbers expressed in figures or words.
• Rounding whole numbers to the nearest 10, 100, 1000, etc.
• Understanding place value and decimal places.
• Rounding decimals to the nearest whole number or a given number of decimal places.
• Rounding numbers to a given number of significant figures.