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# WolframAlpha - KS3 part 1

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### WolframAlpha - KS3 part 1

1. 1. The examples here show you how to use WolframAlpha for checking your work and exploring other examples. For some topics other calculators and applets are also suggested to help you further. Note that step by step solutions are for subscribers only but WolframAlpha is free to use for an unlimited number of queries every day so it is great for checking answers or generating lots of examples.
2. 2. Directed Numbers
3. 3. Directed Numbers
4. 4. Directed Numbers
5. 5. Order of Operations See the homework helper from Aplusmath
6. 6. Fractions
7. 7. Fractions
8. 8. Fractions
9. 9. Percentage – change to decimal and fraction
10. 10. Factors all factors Written as a product of primes
11. 11. Highest Common Factor
12. 12. Lowest Common Multiple See this post for further online tools on factors
13. 13. Statistics
14. 14. Statistics
15. 15. Statistics
16. 16. Algebra – like terms
17. 17. Algebra – brackets
18. 18. Algebra - equations Choose ‘show steps’ See this post for further online equations resources
19. 19. Sequences Enter the first few terms of a sequence nth term
20. 20. Graphs
21. 21. Graphs note, values for x specified See this post for online graphing tools.
22. 22. Transformations
23. 23. Transformations
24. 24. Cuboid – surface area