Resources for Decimals
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Questions
10
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Video Tutorials
1
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Decimals Theory
![When correcting decimals to a specific decimal place you should go to the designated place and then look at the number to the right of the place. if the number is greater than \(4(5,6, \ldots)\) the the number in the designated place should be increased by 1. \begin{multicols}{2} \textbf{Example 1}\\ Write 7.5468 correct to\\ \textbf{i)} 1 decimal place\\ \textbf{ii)} 2 decimal places\\ \textbf{Example 1 solution}\\ \textbf{i)} \(7.5468 \rightarrow 7.5\)\\ \textbf{ii)} \(7.5468 \rightarrow 7.55\).\\ when adding or subtracting decimals it is important to keep the decimal point in line.\\ \columnbreak \textbf{Example 2}\\ Evaluate \\ \textbf{i) } \(42.63+4.25\)\\ \textbf{ii)} \(7.21-0.43\)\\ \textbf{Example 2 solution}\\ \textbf{i)} \(\begin{array}[t]{r} 42.63\\ +\;\; 4.25\\ \hline 46.88\\ \hline \end{array}\)\\[5pt] \textbf{ii)} \(\begin{array}[t]{r} 7.21\\ -\;\; 0.43\\ \hline 6.78\\ \hline \end{array}\) \end{multicols}](/media/vgsfbbuh/29803.png)
NSW Y8 Maths Working with Numbers Decimals
Videos
Videos relating to Decimals.
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Decimals - Video - Adding and Subtracting Decimals (How to)
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