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  1. GCSE Maths questions

    • Develop your confidence and skills in GCSE Maths using our free interactive questions with teacher feedback to guide you at every stage.
    • Level: GCSE
    • Questions: 75
  2. Marked by a teacher

    OPPOSITE CORNERS

    3 star(s)

    - (1 x 12) = 22 - 12 = 10 Example 2: 25 26 35 36 (35 x 26) - (25 x 36) = 910 - 900 = 10 Example 3: 63 64 73 74 (73 x 64) - (63 - 74) = 4672 - 4662 = 10 So, from the above examples I can see that the difference is 10, now I will find out the general case algebraically. GENERAL CASE: n n + 1 n + 10 n + 11 (n + 10)(n + 1)

    • Word count: 2281
  3. Marked by a teacher

    opposite corners

    3 star(s)

    I am multiplying the top left number by the bottom right and multiplying the top right by the bottom left in order to find the differences of the two products. 12 13 22 23 12x23= 276 13x22= 286 Difference= 286- 276= 10 I am doing more than one example in order to check the accuracy of my work, if my work is not accurate the pattern will not be and I will therefore not be able to find a formula.

    • Word count: 10875

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