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This practical task involves students making best estimates of sets of items and clearly demonstrating their method(s) of estimation.

Students estimate an addition problem, share their methods, discuss the averaging method, and then do more problems using averaging.

Students estimate the sum of a number of fractions.

In this practical task, students estimate and then measure how far they can jump.

In this practical task, students estimate and then measure temperatures.

This practical task requires students to use a 1 metre measure to estimate the dimensions of a room, and then calculate the volume of the room.

Students use a scale map to estimate the area of Antarctica and explain their method.

Students estimate the height and length of various items around their school.

This practical task requires students to lift a 1 kg weight and then estimate whether a range of everyday objects weigh less than, about the same as, or more than 1 kilogram.

In this practical task, students decide which of four shapes have the same area, then use 100s blocks to check their answer.

In this practical task, students decide how many of four different shaped containers have the same capacity, then check by filling them with water.

In this task students decide which people are estimating and which are not, and explain their reasoning.

In this practical task, students work in pairs to estimate how much time they think has passed. One student estimates while the other times.

In this practical task, students estimate, then measure, the length of two objects using a ruler.

In this practical task, students estimate, then measure, the volume of two containers using a measuring jug.

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

In this practical task, students estimate the capacity of two different sized containers, then check their estimates with a measuring jug.

Students estimate (and explain how) the area of two islands on a grid.

In this practical task students use a grid squares overlay to estimate the area of six shapes by counting the number of squares each shape covers.

In this practical task, students estimate, then measure, the weight of two bags using kitchen scales.

In this practical task, students estimate the length of two common classroom objects, then check their estimates with a ruler.

In this practical task, students estimate the weight of two different sized bags, then check their estimates using kitchen scales.

For this NEMP task students answer a series of 7 questions covering many aspects of Number. These include estimation, rounding, work with fractions, place value, addition, multiplication, and division.

Students calculate or estimate the area for each of three shapes on a grid.

In this practical task, students estimate how many multi-link blocks equal the length of two common classroom items. They then check their estimate with the blocks, then measure with a ruler.