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Students answer questions involving adding and subtracting fractions of cake.

Students solve addition story problems involving numbers of different magnitude to explore their place value understanding.

Students use percentages to calculate heights of a building from the total height. They then explain how to calculate another percentage.

Students use doubling and halving to solve multiplication problems.

This task requires students to estimate some addition problems using any appropriate method.

Students find fractions of numbers of different farm animals and put them in their simplest form.

Students convert heights of a building into the percentage of the given total height, explaining how they solved some conversions. Assessment focus is on how they calculate these heights and what strategies they use.

Students show how they solve equal sharing problems.

Students write down an explanation of how the front-end estimation strategy works in addition problems to give information on their understanding of the strategy.

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

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

Students perform decimal multiplication and division involving the cost of material, without the use of a calculator.

Students use estimation strategies to calculate the number of vegetables they can buy with given amounts of money.

Students show or explain how two different fraction numbers can represent the same fraction.

Students show that they can picture the whole shape when given a fractional part.

Students demonstrate their understanding of standard form numbers by ordering given numbers from smallest to largest and by identifying the larger of two numbers.

Students show how they find the value of an unknown number in a range of linear equations.

Students use the commutative property to find missing numbers in equations and explain the property.

Students find the unknown for a range of equations that require number property knowledge and understanding of relational thinking.

Students use substitution to calculate the cost and length of time taken to repair washing machines, and formulate and solve a related linear equation.

Students solve mathematical problems involving weight. They also identify parts of the related linear equations.

Students calculate the charges for lawn mowing expressed as rate plus set-up cost.

Students compare the overall distribution of two graphs and describe their reasons.

Students interpret a bar chart that shows the stopping distance of cars and are asked which car is safe and why.

Students compare the area of two different triangles.