Add and Subtract Decimals Year 5 | The Maths Guy
Автор: The Maths Guy!
Загружено: 2020-04-20
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Adding and subtracting decimals!
Ok well this is a very useful one. We see decimals every day when we deal with money so it's really important to understand how to add and subtract numbers with decimal places.
Lets go over the important aspects.
Please make sure that you have seen our videos on how to do addition and subtraction in columns if this is new to you because this video is the next step and focusses on the decimal parts of it.
Review of the important aspects to remember
1 - Remember that a decimal is a fraction and therefore smaller than a whole and therefore when we choose where to start, we must always look at the decimals.
2 - Use the decimal point as a point of reference to align your numbers and ensure that you get all the right numbers in the right columns.
3 - Remember your place holders! This is hugely important, especially in subtraction when there are 'empty spaces' when all your numbers are aligned - This is where most people make mistakes!
4 - When you start to solve your question, always start from the smallest value!
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