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Students show how to work out the number of 1-digit that there are in 2-digit numbers.

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

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.

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

Students compare fractions, identify which is larger, and explain or show their reasoning.

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 decide which statement about a dot plot is incorrect and explain their reasoning.

Students identify fractions that are greater than a half, explain their reasoning, and identify how far from half some fractions are.

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

Students show how they perform an addition and a subtraction problem, and write their own subtraction story problem.

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

Students to show how they estimate in some addition problems.

Students estimate a multiplication problem, share their methods, discuss the rounding method, and then do more estimation problems using rounding.

Students estimate a multiplication problem, share their methods, discuss the front-end method, and then do more problems using front-end.

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

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 grouping nice numbers, and then do a problem using this method, then design a question showing how it uses the method.

Students decide whether a graph is suitable to display category data and explain their answer.

Students explore the additive identity by deciding whether addition and subtraction number sentences are true or false.