Rounding

What is the smallest possible area that this rectangle could have?

Four strategy dice games to consolidate pupils' understanding of rounding.

Use two dice to generate two numbers with one decimal place. What happens when you round these numbers to the nearest whole number?

What happens when you round these three-digit numbers to the nearest 100?

This activity focuses on rounding to the nearest 10.

What happens when you round these numbers to the nearest whole number?

This activity involves rounding four-digit numbers to the nearest thousand.

Last year, on the television programme Antiques Roadshow... work out the approximate profit.

The problem is how did Archimedes calculate the lengths of the sides of the polygons which needed him to be able to calculate square roots?

The problem is how did Archimedes calculate the lengths of the sides of the polygons which needed him to be able to calculate square roots?