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Mastering Basic Math: Essential Addition, Subtraction, and Multiplication Techniques

Discover the four essential methods of basic math that everyone should know! This guide covers addition, subtraction, and multiplication using clear examples. Learn how to tackle addition problems like 249 + 682 step-by-step and understand the borrowing process in subtraction, such as 317 - 257. We also delve into the principles of column multiplication with practical illustrations. Whether you're a student or just brushing up, this resource is designed to build your confidence and skills in mathematics.

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Mastering Basic Math: Essential Addition, Subtraction, and Multiplication Techniques

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Presentation Transcript

  1. THE 4 METHODS All you need to know about maths All you need to know about maths

  2. Addition • 249 Lets start with this +682 sum.

  3. 249 • +682 so first you plus the 2 with the 9 and put and put the answer below it. If the answer is 10 or above you put it under the next Colum.

  4. 249 now plus the 4 8 • +682 and the one. • 1 • 1

  5. 249 • +682 • 31 • 1 1

  6. 249 Finally plus the 2 6 • +682 and 1. • 931 • 111 • And the answer is 931!

  7. Colum subtraction 317- 257 I think we • can do this • one

  8. 317- minus the 7 from • 257 the 7.If it was 8-7 • we would have to • borrow.

  9. 317_ We cant do 1-5 so we • 257 borrow 1 from the 3 and • 0 and the 1 turns into 11.

  10. 21 317_ now 2 minus 2 • 257 60

  11. 21 • 317 • 257 • 060

  12. multiplication • in column multiplication you • Cant borrow you carry • 23t • 2 first do 3 times 2

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