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Students enlarge shapes by whole number scale factors.

Students calculate the scale factor and length of one side of a building extension, then draw in a different extension from a given scale factor.

Using grids, students enlarge shapes by different scale factors.

This task requires students to use a protractor to draw in three angles on a half circle window design.

In this practical task, students measure two circular objects to find the circumference, diameter and the relationship between them (pi).

Students read pairs of measurements on linear scales and identify which are greater than, less than, or equal to.

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.

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

Students identify decimal numbers on a number line.

Students are required to describe the compass direction and distance that an ant travels toward different items of food positioned on a grid.

Students enlarge a shape made of cubes and explore the relationship between the scale factor and volume.

Students work out the missing dimension on a rectangle and show how they obtained it using proportional reasoning.

Students answer questions involving negative numbers about rising and falling water levels.

For this task students are required to record, in a table, the compass bearings of objects shown on a submarine radar screen. Distances from the submarine are also recorded.

Students use a plan of the school and a scale to answer questions about length and distance of buildings and courts in the school.

On grids, students enlarge shapes by different scale factors through given centres of enlargement.

This task requires students to enlarge two patterns on a grid using centres of enlargement and scale factors.

Students construct enlargements of 2-dimensional shapes using sticks.

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.

Students design a qualitative scale for measuring how hard their school work is, then use it to record their opinions throughout the day.

Each student designs a question and an associated scale to record other students' attitudes to mathematics.

Students complete statements which explore the relationship between scale factor enlargements and length, area, and volume of 2 and 3 dimensional shapes.

Using isometric dots, students enlarge a 3-dimensional shape by a scale factor of 2.

In this practical task students use a ruler, a protractor, and a compass to enlarge an arrow by two given scale factors. They then complete a table to show the invariant properties.

Students identify invariant properties for enlargement.