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Students calculate the number of rocks in a wall set up as an array.

Students calculate the number of containers needed for given amounts of fruit for a recipe.

Students calculate scores for teams at a school swimming sports.

Students calculate how many adults got into a concert for free using information about the number of concert-goers and the ratio of free adults to children.

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

Students calculate how price changes affect a purchase.

Students use prices of vegetables to perform all four arithmetic operations on decimal numbers.

Students perform calculations involving rates of pay, distances, and quantities.

Students calculate the quantity and time taken for pages to be printed on a computer printer from the rate at which it prints.

Students estimate a division problem, share their methods, discuss the nice numbers and factors method, and then do more problems using nice numbers and factors.

Students identify numbers using clues which give the range within which each number falls and two factors with their remainder.

Students solve multiplication problems involving negative numbers, finding the biggest and the smallest products.

Students perform calculations using standard form.

Students calculate the number of different sized bottles of cola needed to make 6 litres and calculate the cheapest option to buy 12 litres

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

Using a set unit cost students find total costs for given quantities, and find the quantity for a given total cost.

Students perform calculations on indoor cricket scores, which include negative numbers.

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

In this practical task, students use plastic coins and paper notes to work out three different ways to make the same amount of money.

Students multiply, add, and subtract expressions with negative numbers.

Students identify different ways that given amounts of money can be made up using a range of coins and notes.

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

Students calculate the cost per kilogram of three confectionery hampers.

Students evaluate a number of expressions involving the laws of indices.

In this practical task, students use plastic coins to work out three different ways to make the same amount of money.