Rounding resources

Students work out the area of a circle and a fraction (Sector) of a circle.

Students round given decimal numbers to the nearest tenths, hundredths, and thousandths and identify possible original numbers from rounded numbers.

Students use rounding to estimate totals then discuss this as a method of estimation.

Students select from a set of numbers to show the closest number to each population fact.

Students round distances to the nearest 10 or 100.

Using given information about a shop's takings students round the amounts to give estimated totals for four weeks takings.

Students round six different decimal numbers of swimming times to a given number of decimal places.

Students identify one possible original number from a given rounded number.