Solving problems using column addition and subtraction
I can solve problems using column addition and subtraction
Solving problems using column addition and subtraction
I can solve problems using column addition and subtraction
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Lesson details
Key learning points
- When solving problems, the column addition and column subtraction algorithms are sometimes the most efficient methods.
- If the numbers have different amounts of digits, ensure the digits are aligned in their appropriate place value columns.
- Identify when regrouping is needed when carrying out column addition and subtraction.
Keywords
Regroup - The process of unitising and exchanging between place values is known as regrouping. For example, 10 tens can be regrouped for one hundred; one hundred can be regrouped for 10 tens.
Common misconception
Mis-align numbers when setting up algorithms if the numbers have different amount of digits. When finding 1 missing part out of 3 parts, children may perform two subtractions, which is inefficient.
When setting up the algorithm, ensure digits in the same place value place are aligned. When finding 1 missing part of 3 parts, first we add the known parts then we subtract from the whole.
To help you plan your year 6 maths lesson on: Solving problems using column addition and subtraction, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 6 maths lesson on: Solving problems using column addition and subtraction, download all teaching resources for free and adapt to suit your pupils' needs.
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Explore more key stage 2 maths lessons from the Order, compare and calculate with numbers up to 8 digits unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
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