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The four operations — addition, subtraction, multiplication, and division — are the building blocks of arithmetic. On the CSSE maths paper, you will need to carry out calculations quickly and accurately, often as part of multi-step word problems. This lesson covers the key methods you need.
Write numbers one below the other, lining up the ones, tens, hundreds, and so on. Always start from the right (the ones column).
Calculate 4,657 + 2,385
| Th | H | T | O | |
|---|---|---|---|---|
| 4 | 6 | 5 | 7 | |
| + | 2 | 3 | 8 | 5 |
| = | 7 | 0 | 4 | 2 |
Answer: 7,042
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