Keywords: Starter | Arithmetic

• Jake, Patana
• Thursday, October 05, 2006
• "I have found 1+2+3+4+5+6+7+8x9 = 100"
• Lewis Crosby, Doncaster
• Sunday, October 29, 2006
• "I have found one too 198-73-26+5-4=100"
• Sarah, Maidenhead
• Tuesday, November 21, 2006
• "Another solution for this is 56+49-2-3+8-7-1=100"
• Katrina, Maidenhead
• Tuesday, November 21, 2006
• "I have got found another solution for this starter =
  6x7x2+8-3+1+9-4+5"
• Holly, Whitby High, Ellesmere Port
• Thursday, May 03, 2007
• "Another Solution: (5x6)+(4x9)+(8x3)+7+2+1 = 100"
• Reece & Ashlee, Ellesmere Port
• Friday, May 04, 2007
• "Two more solutions without brackets from Whitby High:
  
  123-4-5-6-7+8-9 = 100
  
  69+31+8+5-7-4-2 = 100"
• James Wellington-Smith, Lea Moor High
• Monday, May 07, 2007
• "231-(9x8)-(6x5)-7-4"
• Mr Heeley's Krew, Rawthorpe in da Hudd of field
• Monday, October 01, 2007
• "We found (1+9+2+8) x 5 + (3+7) - (4+6).
  
  We think that this is the best answer because simplicity is the key!
  
  Cushtie - please, please, please, please, please put us on the site.
  
  God bless you - Maths rocks"
• Year 6, BIS Jakarta
• Tuesday, October 02, 2007
• "We found many solutions including
  9 * 4 * 2 + 8 + 7 + 3 + 5 + 6 - 1 = 100
  9 * 8 + 7 + 6 + 5 + 4 + 3 + 2 + 1 = 100
  9 * 8 + 4 * 7 - 5 * 2 + 6 + 3 + 1 = 100"
• Year 11- Mr Kelly's class, Cross and Passion College
• Wednesday, October 03, 2007
• "We found another solution for ALL FOR 100
  
  98+7-6+5-4+3-2-1=100"
• Giovanni Fernandez, The British School of Quito, Ecuador
• Wednesday, October 03, 2007
• "2 x (7 x 8 x 9 - 456) + 3 + 1"
• Tim Channer, The British School of Quito, Ecuador
• Wednesday, October 03, 2007
• "(9 x 8) + (7 x 6) - (5 x 4) + (3 x 2 x 1)"
• Montae, Mrs. Shelburne's Period 3/6 class, Hayward Middle School, Springfield, Ohio
• Thursday, October 04, 2007
• "Here is Montae's solution...he found it in less than 5 minutes and creatively used exponents!
  
  5^2 x 4 - 9 + 6 + 3 - 7 + 8 - 1"
• Ashleigh Reid, S2 Lochend Community High School
• Friday, October 05, 2007
• "I found this way of getting the answer:
  
  92 + 6 + 3 - 4 + 5 - 1 + 7 - 8"
• Ciaran Donegan, Harrytown High School, Stockport, 8H
• Friday, October 05, 2007
• "I found (51+4+3) x 2 -9-8 + 7 -6"
• Mrs Simpson, Torry Academy, Aberdeen
• Friday, October 05, 2007
• "2D1 Maths Class at Torry Acadmey found this way:
  
  89+7+6-5+(2*3)-4+1"
• Andy Rowe, Knowles Hill School Devon
• Friday, October 05, 2007
• "Cameron Houdmont in Year 7 got this one
  
  (7 + 3) x 9 + 5 + 4 + 1 + 8 - 6 - 2"
• Ms Winters, Dubai English Speaking College
• Sunday, October 07, 2007
• "Here are our answers from class 7DE...
  
  9x8+1+2+3+4+5+6+7
  
  6x3x5+12+4+(9-8)-7
  
  9x8+7+1+5x6-(4x3-2)"
• Miss Train, Saints Peter and Paul
• Sunday, October 07, 2007
• "The first to get it in my class was Emma M in under 20 seconds - here's her solution:
  [(1+2+3+4) x 9] + 5 + 6 + 7 - 8 = 100"
• Jodie, Lauren, Hayley, Harrytown High School Stockport
• Monday, October 08, 2007
• "123+45-67+8-9 Jodie Reilly 9T
  98-7-6+5+4+3+2+1 Lauren Hill 9W
  (1+2+3+4+5)x6-7+8+9 Hayley Ryder 9H"
• Jack Houghton, Sydney, Australia
• Wednesday, October 10, 2007
• "I got 123+45-67+8-9"
• Martin Vaughn, Central Sussex college haywards heath
• Thursday, November 08, 2007
• "8x9 +7 +1 +5 +6 +4 +3 +2 =100"
• Jonathan, Holland Road
• Friday, February 22, 2008
• "the answer is
  12+34+59-6+8-7"
• Miss Mian, Bishop Ramsey School, Ruislip
• Thursday, March 13, 2008
• "Daniela got the total by doing
  68 + 23 + 15 -4 +7 - 9
  
  and Amy got it by doing
  
  (9x8) + 1 + 2 + 3 + 4 + 5 + 6 + 7"
• Josh Atkin, Dunbar Grammar
• Wednesday, March 19, 2008
• "The answer is
  (98-7) +1 -4 +6 -2 +3+5=100"
• Mark Daniels, Wissahickon Middle School
• Thursday, May 22, 2008
• "Nicole from Mr. Daniels' Pre-Alg. Support class,WMS, Ambler,PA did this-
  4(5+7+8) + 1(2+3+6+9)
  
  Mr. Daniels offered this-
  2^5 + (8x9-4) + 13-(6+7)"
• Mrs Simpson and class 4M4, Torry Academy, Aberdeen
• Thursday, October 02, 2008
• "Vincent found 963-852-7-4x1
  Emma found 6x9x2-8+4+1-3+5-7
  Shelby found 9x6+34+7+8-5+2x1
  Jasmine found 9x7+(6x8)-5-4-3-1+2"
• Liam Hutchison, Lochend Community High School in Glasgow
• Monday, October 06, 2008
• "I calculated it this way
  
  (9x7) + 6 + 1 + (5 x 2) + (4 x 3) + 8"
• Ellen Moore, KNGS, Birmingham,UK
• Monday, October 06, 2008
• "This works!
  (9+1)-(2+8)+(3+7)+(4+6)*5=100"
• Miss Samantha Rhodes, Filsham Valley school, Hastings
• Monday, October 06, 2008
• "In 1 class, I had 5 different correct solutions.
  8x9+67+1-45+2+3 =100 (Charlotte Avery, year 8)
  5x19+34-28-7+6=100 (Sam Davies, year 8)
  3x4x6+2x9+(8-7+1)x5=100 (Sophie Fairall, year 8)
  8x9+1+2+3+4+5+6+7=100 (Charlotte Rudd, year 8)
  156-78+29-3-4=100 (James Bisson, year 8)"
• Mr Jordan Fry, Laurence Jackson School, Guisbrough
• Tuesday, October 14, 2008
• "We got 5*9=45, 45+7=52, 52*2=104, 104-6=98, 98+4=102, 102-3=99, 99+1=100"
• Emma, Lockerbie Academy
• Tuesday, November 25, 2008
• "78+24+9-6-5+3-2-1=100"
• Soumya, Croydon
• Wednesday, May 13, 2009
• "1+8x9+2+7+6+5+3-4=100."
• Form 7Y, Harrytown Catholic High School, Stockport
• Tuesday, October 06, 2009
• "Amy Booth found 9x8 + 7 + 6 + 5 + 4 + 3 + 2 + 1 = 100
  James Wilson (9x8) + 7 + 6 + 5 + (4 x 3) - (2 X 1) = 100."
• Miss Marcham And 10f1, Prince Henry's High School, Evesham
• Tuesday, October 06, 2009
• "We got (6+4)x(8+9-7+5-3-2)x1 = 100."
• Mrs J A Thompson, Mexborough School Specialist Science College
• Wednesday, October 07, 2009
• "Two different answers were found in 10 minutes. 7P SPECTRUM group
  The first was 1 + 2 + 3 + 4 + 5 +6 + 7 + (8x9) = 100 by Ashley Finney
  and (1+7+2) x 9 + 8 + (4x5)- (3x6) = 100 by Emma Rodgers."
• Mitchel, Brocket
• Thursday, October 08, 2009
• "Another way of doing it is
  9-1=8, 8-2=6,7-3=4, 6-4=2, then
  8+6+4+2=20x5=100."
• Y Ramsamy, Phoenix College, Reading, UK
• Wednesday, October 14, 2009
• "My pupils came up with the following solutions:
  (124-3-5-6-8-9)+7 = 100 Ryan Walsh
  (5x7x2x1)+3+4+6+8+9 = 100 Moin Khan
  Y Ramsamy
  Phoenix College, Reading, UK"
• Jerry & Tom, Fukien School (HK)
• Sunday, February 07, 2010
• "(1+2x3x4)x5-6*7+8+9=100."

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