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Think of a Number time…

Problem-Solving

Look carefully at these questions. Can you find the answers?

  1. I think of a number.  I multiply it by 2, add 50 and my answer is 74.  What was my number?
  2. I think of a number.  I add 16, subtract 30 and my answer is 36.  What was my number?
  3. I think of a number.  I subtract 25 and add 2.  I then multiply by 2.  My answer is 154, what was my number?

 

Please answer all questions by Tuesday 10th December to have a chance of winning a prize. There will be some very festive prizes on offer…

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  1. Lewkas Reply

    I think the answers are:
    1. 12
    2. 50
    3. 100
    I did it by doing it the opposite way then the right way to check!!!

  2. Owen Reply

    1.12
    2.50
    3.100

  3. stan Reply

    1. 12
    2.50
    3.100

    Easy as PIE!!!!!!!!!!!!!!!

  4. Betsy Reply

    1. 12
    2. 50
    3. 100

  5. Millie+Cookie the cat! Reply

    1.=12
    2.=22
    3.=65.5

  6. Chelsea Reply

    1=12
    2=50
    3=100

  7. Mani Reply

    I think the number is for no.1 is:12
    I think no.2 is: 50
    I think no.3 is: 100

  8. Mollie Reply

    1.12

    2.50

    3.98

  9. Manon Reply

    1.=24
    2.=50
    3.=100

  10. Isla and Harvey Reply

    We think it is 24.

  11. Reuben and Onett Reply

    1. 12
    2. 50
    3. 50

  12. Joe+Shannon Reply

    1.=12
    2.=50
    3.=100

  13. Millie Reply

    1.74-50=24 half it=12
    2.36+30=66-16=50
    3.154 half it=77-2=75+25=100

  14. Joe Reply

    the number is two

  15. Betsy Reply

    I loved doing it

  16. Joe A and lucy Reply

    1.12
    2.66

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