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Students calculate percentage increases and decreases for odd jobs and show their working.

Students are required to re-arrange various algebraic equations.

Students complete 3 x 3 addition arrays by using whole numbers and algebraic expressions.

Students use a flowchart to find solutions and generate rules from them.

Students use cubes to construct part of a spatial pattern and answer questions on how to continue it.

This task requires students to interpret the relationship between noise level and time as illustrated by various points on a graph.

Students interpret a graph about getting to school, writing descriptions about each students journey and making statements comparing the journeys.

Students interpret information from a flowchart to calculate the total costs of different sized groups staying in a motel for varying lengths. They also complete a linear algebraic equation to show the costs of one group's stay.

Students respond to questions about the relationship between diagonals, triangles and polygons; then write a rule to describe the pattern.

Students answer two questions about exercise times for an incrementing fitness programme. They identify an expression relating time exercised to the number of weeks on the programme, and explain why this pattern couldn't continue indefinitely.

Students identify the most likely sequence of tosses of a fair coin and explain their reasons.

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

Students estimate and explain how they estimated their answer for two number problems: one involving multiplication; and the other division.

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

Students identify the correct resultant vector of two component vectors, and also identify the correct diagram of a vector that is written in column form.

Students calculate the repair charges for two different washing machine repair companies, and compare and explain their results.

Students calculate the cost of hiring a search and rescue helicopter and compare this cost with another helicopter company's charges.

Students calculate the repair charges of two different garages, graph them, and explain the results.

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 answer questions from a histogram of distance of discus throws. Calculation is required.

Students write arguments for and against school rules.