Additive thinking resources

Students complete a timetable by adding on the time taken for each task.

Students conduct a practical, statistical investigation. They decide on a Topic and question, conduct the survey, complete the tally chart, construct a bar graph of the major ideas and make statements about the results.

Students find the sum of a number of given decimal weights of objects or the post.

Students solve subtraction maths problems and show their strategy for working it out.

Students solve addition maths problems and show their strategy for working it out.

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.

Students estimate the sum of a number of fractions.

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

Students answer questions involving adding and subtracting fractions of cake.

Students solve addition story problems involving numbers of different magnitude to explore their place value understanding.

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

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

Students estimate an addition problem, share their methods, discuss the rounding method, and then do more problems using rounding.

Students identify fractions that are greater than a half, explain their reasoning, and identify how far from half some fractions are.

Students identify fractions that are greater than a half and explain their reasoning. They also identify how far from half some fractions are and name a fraction closer to half than one given.

Students identify fractions that are greater than one, explain their reasoning and identify how far from one some fractions are.

Students show how they perform an addition and a subtraction problem, and write their own subtraction story problem.

Students explain why a range of students' answers to a maths problem are incorrect.

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

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

Students to show how they estimate in some addition problems.

Students estimate an addition problem, share their methods, discuss the averaging method, and then do more problems using averaging.

Students estimate an addition problem, share their methods, discuss the front-end method and then do more problems using front-end.

Students estimate an addition problem, share their methods, discuss grouping nice numbers, and then do a problem using this method, then design a question showing how it uses the method.

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.