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Year 5 - Number and Algebra
Standard 5.OA.1.1 - Solve multiplication word problems with numbers up to 1000.
Number and place value • Identify and describe factors and multiples of whole numbers and use them to solve problems - exploring factors and multiples using number sequences - using simple divisibility tests • Use estimation and rounding to check the reasonableness of answers to calculations - recognising the usefulness of estimation to check calculations - applying mental strategies to estimate the result of calculations, such as estimating the cost of a supermarket trolley load • Solve problems involving multiplication of large numbers by one- or two-digit numbers using efficient mental, written strategies and appropriate digital technologies - exploring techniques for multiplication such as the area model, the Italian lattice method or the partitioning of numbers - applying the distributive law and using arrays to model multiplication and explain calculation strategies • Solve problems involving division by a one digit number, including those that result in a remainder - using the fact that equivalent division calculations result if both numbers are divided by the same factor - interpreting and representing the remainder in division calculations sensibly for the context • Use efficient mental and written strategies and apply appropriate digital technologies to solve problems - using calculators to check the reasonableness of answers