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

Students calculate addition and subtraction problems, written in decimal form, for city populations.

Students calculate the changes to an account balance after two withdrawals and a deposit.

Students decide which children are estimating and which are not, and explain their reasoning.

For this NEMP task students perform a range of addition and subtraction calculations using whole numbers and decimals.

Students carry out calculations involving addition, and multiplication of whole numbers by decimal numbers.

Students answer questions involving adding and subtracting fractions of cake.

Students use addition and multiplication to work out the cheapest of several price options.

Students add and subtract fractions to work out fractions of food.

Students estimate the sum of a number of fractions.

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

This practical task involves students making estimates of sets of items and demonstrating their method(s) of estimation.

In this practical task, students are to estimate the cost of meals ordered from a menu. The teacher reads out the meals and students show the steps in their estimations.

This practical task involves students making best estimates of sets of items and clearly demonstrating their method(s) of estimation.

Students work out the change from $10 for a number of purchases.

For this NEMP task students perform calculations using fractions and mixed numbers.

For this NEMP task students use all addition and subtraction operations in calculations involving fractions.

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 addition and subtraction to work out what they can buy with given amounts of money, and the change they will get.

Students order possible items, work out the change from $10 or the shortfall for different items.

Students use number lines to show how to solve 2-digit whole number addition problems.

Students discuss making an initial estimate in addition problems using the front-end method followed by compensation to get a more accurate estimate. They then use this method on two addition problems.

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