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Students explore the additive identity by completing open number sentences.

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

Students discuss making an interval estimate in multiplication problems (i.e., getting a lower and an upper limit for the actual answer using the front-end and rounding-up estimation methods). They then use this method on two problems.

Students calculate volumes of composite shapes, showing their working.

Students read from, and mark points on, non-linear scales.

Students identify which nets, from a range of options, could fold to make rectangular prisms.

Students identify which nets can be folded to make an open box shape.

Students identify which nets can be folded to make an open box shape.

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

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.

Students explore multiplicative relationships by completing multiplication equations.

Students identify the number of dots in the <i>n</i>th shape of a series of spatial patterns.

Students work out the number of covered counters on a 10 x 10 array.

Students calculate percentages of whole numbers.

Students decide whether pairs of number expressions are equal to, less than, or greater than each other.

Students identify whether two shapes have been partitioned evenly or not, and show how to correctly partition the shapes.

Students match three dimensional shapes with nets that could be folded to make them.

Students use given numbers to work out rules.

Students answer questions using percentages to find missing amounts, and writing percentages using given amounts.

Students find different ways to divide squares into halves and quarters.

Students partition sets of objects and show how to work out fractions of quantities (using fractions as operators).

Students work out fractional values of whole numbers in a range of contexts and show their working.

Students shade bottles to show different simple fractions.

Students shade bottles to show different fractions.

Students identify fractions of sets of objects.