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Students write down an explanation of how the front-end estimation strategy works in addition problems to give information on their understanding of the strategy.

Students solve problems involving finding simple fractions of quantities, and show their working.

Students use doubling and halving to solve a number of multiplication problems.

Students show how to calculate maths problems involving fractions as a part and as a whole.

Students to show how they estimate in some addition problems.

Students answer questions using a fraction as an operator to find the fraction quantities.

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.

Students answer questions that involve subtracting numbers.

Students estimate a division problem, share their methods, discuss the nice numbers and factors method, and then do more problems using nice numbers and factors.

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

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

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

Students add the numbers shown on three dice.

Student solve multiplication and division problems that involve money.

Students identify and give rules for when numbers are divisible by three or by nine.

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

Students estimate a multiplication problem, share their methods, discuss the rounding method, and then do more estimation problems using rounding.

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

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

Students answer maths problems involving multiplication, and show their working.

Students solve subtraction word problems.

Students estimate a subtraction problem, share their methods, discuss the rounding one number method, and then do more problems by rounding one number.

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

Students work out how much time some bus trips take.

Students match pictures of objects with a list of capacities involving litres and millilitres.