Additive thinking resources

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

Students use subtraction to solve word problems involving fractions.

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

Students perform calculations using fractions with different denominators.

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

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

Students drag numerals to create decimal numbers to create the largest and smallest decimal numbers, and closest decimal numbers to given whole numbers.

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

Students add up amounts of money including dollars and cents.

Students use all four operations to perform calculations using decimal values.

Students add fractions with different denominators.

Students find and write the numbers to complete equations that add to 10 or 20.

Students identify data as 'discrete' or 'continuous' from a range of examples.

Students find the perimeters for range of different 4-sided polygons.

Students convert units of weight - grams and kilograms - to answer questions a range of food items.

Students calculate the perimeter of a range of 2-dimensional shapes.

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

This task is about subtracting with different parts of the equation missing.

Students demonstrate their understanding of place value by identifying numbers shown in a shape-based number system.

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

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

Students answer questions involving adding and subtracting fractions of food.

Students work out how much time some bus trips take.

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