rounding

Round whole numbers to the nearest 10, 100, or 1000.

Round whole numbers and decimals, with up to two places, to the nearest whole number, or tenth.

Round whole numbers and decimals, with up to two places, to the nearest whole number, or tenth.

Solve multiplication and division problems that involve fractions.

Use rounding to check the answers to multiplication and division problems.

Round whole numbers and decimals, with up to two places, to the nearest whole number, or tenth.

Use rounding to check the answers to multiplication and division problems.

Identify and order decimals to three places.

Round whole numbers and decimals, with up to two places, to the nearest whole number, or tenth.

This unit covers with a wide range of estimating methods that are essential in checking calculator answers for errors.

In this unit we look at a range of strategies for solving multiplication and division problems with whole numbers and decimal fractions, with a view to students anticipating from the structure of a problem which strategies might be best suited. This unit builds on the ideas presented in Multiplication and Division Pick ‘n’ Mix 1.

In this unit students will discuss why it is important to round numbers sensibly.  They will practice choosing and rounding to a sensible level of accuracy for different contexts.

This unit involves students in calculating savings and finding the best value items from a list of products. It would ideally be carried out prior to a school camp or similar, with students given the challenge of finding the best bargains for the trip.