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Students calculate the amount of money shown by diagrams of coins, then calculate change given when some of the money is spent.

Student solve addition problems where the missing value is located in different positions. This may mean that students transform the problem into a subtraction one. Students reflect on the easiest and hardest problems, and explain their choice.

Students answer questions that ask them to add and subtract several numbers.

This task requires students to estimate some addition problems using any appropriate method.

Students use a number line to show how to solve whole number addition problems.

Students use a number line to show how to solve whole number addition and subtraction problems.

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 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 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.

Students use addition and subtraction to solve story problems and show their equations.

Students find and write the numbers to complete equations that add to 10.