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

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

Students answer questions involving adding and subtracting fractions of cake.

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

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

Students calculate how price changes affect a purchase.

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

Students work out the smallest and largest amounts of coins and notes in a piggy bank from statements about the number and type of money.

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

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