Thursday, 6 June 2013

It's the final countdown!

 
Hello maths group here are some countdowns for you to try - all of them are possible and you may use a calculator to help you. Good luck
 
 
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Posted by at

16 comments:

  1. marketa6 June 2013 at 13:48

    Countdown number 3:
    75-5= 70x10= 700
    3x3=9
    700-9=691

    ReplyDelete
  2. Aika6 June 2013 at 13:50

    Countdown number 3.

    75-5=70
    3x3=9
    700-9=691

    ReplyDelete
  3. Gilbert6 June 2013 at 13:56

    1. 5 times 4= 20 3-2=1 20 plus 1=21 times 25 =525 plus 8=533
    2.10 plus 4=14 times 50=700 6 diveded by 2= 3 700-3= 697
    3.75-5=70 times 10= 700 3times3 =9 700-9=691
    4.4 times 2=8 50-8= 42 times 10= 420 plus 3= 423

    ReplyDelete
  4. marketa6 June 2013 at 14:01

    Countdown number 1:
    5x4=20+1=21x25=525+8= 533

    ReplyDelete
  5. Aika6 June 2013 at 14:04

    Countdown number 1.

    5x4=20 3-2=1
    20+1 =21x25=525
    525+8=533

    ReplyDelete
  6. Fred B8 June 2013 at 13:12

    Solution to Countdownn 1:

    (3-2)+ (5x4)=21
    21x25=525
    525+8=533

    ReplyDelete
  7. Fred B8 June 2013 at 13:19

    Solution to Countdown 2:

    ((10+4)x50)-(6/2)=697

    ReplyDelete
  8. Vktor Z8 June 2013 at 15:25

    1. 25x4=100 8-2=6 100+6=106x5=530+3=533
    2. Impossible because there are only even numbers and the target is odd.
    3.-
    4.4x2=8 50-8=42x10=420+3=423

    ReplyDelete
  9. Aika9 June 2013 at 15:37

    Countdown number 4.

    50-3=47
    10-1=9
    47x9=423

    ReplyDelete
  10. Fred B9 June 2013 at 15:59

    Countdown 3

    Solution:
    (75-5)x10=700
    700-(3x3)=691

    ReplyDelete
  11. Aika9 June 2013 at 17:25

    Countdown number 2.

    10+4 =14x50=700
    6/2=3
    700-3=697

    ReplyDelete
  12. marketa10 June 2013 at 16:42

    Countdown number 4:
    10-2=8
    50-8 42x10=420+3=423

    ReplyDelete
  13. marketa10 June 2013 at 16:53

    Countdown number 2:
    10+4= 14x 50= 700
    10+8=18:6=3
    700-3=697

    ReplyDelete
  14. Unknown10 June 2013 at 19:02

    1.3+8=11x2=22x25=550-8+5+4=533

    3.75-5=70x10=700, 3x3=9, 700-9=691

    4.50-4x2=42x10=420+3=423

    ReplyDelete
  15. samyukta11 June 2013 at 20:29

    To get 533 you need to do: 4x5=20
    3-2= 1
    20+1=21x25= 525+8= 533

    To get 697 you need to do: 4+10= 14x50= 700
    6/2= 3
    700-3= 697

    To get 691 you need to do: 75-5= 70x10= 700
    3x3= 9
    700-9= 619


    By: Samyukta


    ReplyDelete
  16. Elodie11 June 2013 at 20:56

    Here are my solutions:

    Countdown

    1.
    5+2=7x3=21x25=525+8=533

    2.
    10+4=14x50=700-3 (6/2=3) =697

    3.
    ----------------------------

    4.
    50-8 (4x2=8) =42x10=420+3=423

    Elodie

    ReplyDelete

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