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Students select which person has correctly applied the laws of indices to some problems, and explain their choice.

Students halve and double a range of numbers.

Students answer questions that involve subtracting numbers.

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

Students perform addition, multiplication, and percentage calculations based on information about the cost of buying and posting computer programs.

This task is about subtracting with different parts of the equation missing.

Students write addition, subtraction, multiplication, and division story problems for given car advertisements.

Different selections are made from a canteen menu that will cost a given amount. An extension activity is given that asks for all possible combinations to be found.

Students select the answer for two subtraction problems, select which one they thought was easier, and explain their reasons for this.

For this NEMP task students calculate ratios, fractions, and percentages of numbers to solve problems involving numbers of blue and yellow bears. A sheet of coloured bears is provided.

For this NEMP task students work out how many cows will be in a cattle yard from a story written in comic form.

Students use rounding to estimate totals then discuss this as a method of estimation.

Students use information in a table about exploding bottles of ginger beer to find the fractions and percentages of bottles that exploded or stayed sealed in given weeks.

Using information given in pictures students write four word problems using the operation set out in each instruction.

Students identify prime numbers from a series of group sizes and list all the factors of 36.

Students find the biggest and smallest numbers from a list of positive and negative numbers. They add, subtract and multiply using these numbers.

Students recommend which store offers the cheapest product based on calculations of percentage increase or decrease, and fully justify their answers.

Students answer questions involving finding fractions in story problems about marbles and write their answer in its simplest form.

Students show how to solve some subtraction problems.

Students calculate an exact square root and estimate approximate square roots by finding the length of the square flower bed of a given area, and give an explanation for their answers.

Students show how they would carry out estimation of multiplication tasks.

Students use addition and subtraction to calculate the changing balance in a students back account.

In this practical task students use play money to show fractions of dollar amounts involving decimals.

In this practical task students use play money to show fractions of dollar amounts.

Students perform calculations using standard form.