Rounding

problem
Rough rectangle

Age

11 to 14

Challenge level

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

Age

7 to 14

Challenge level

Four strategy dice games to consolidate pupils' understanding of rounding.
problem
Round the dice decimals 1

Age

7 to 11

Challenge level

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

Age

7 to 11

Challenge level

What happens when you round these three-digit numbers to the nearest 100?
problem
Round the two dice

Age

5 to 7

Challenge level

This activity focuses on rounding to the nearest 10.
problem
Round the dice decimals 2

Age

7 to 11

Challenge level

What happens when you round these numbers to the nearest whole number?
problem
Round the four dice

Age

7 to 11

Challenge level

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

Age

14 to 16

Challenge level

Last year, on the television programme Antiques Roadshow... work out the approximate profit.
problem
Archimedes and numerical roots

Age

14 to 16

Challenge level

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?
problem
Archimedes and numerical roots

Age

14 to 16

Challenge level

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?