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

Students give answers to addition and subtraction basic facts problems.

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 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.

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.

Students complete addition and multiplication linear equations by selecting from a range of numbers.

Students exploit additive identity property to find missing numbers in addition and subtraction equations.

Students use tens frames to show how to add and take away numbers to 20.

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.