hard Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [55, _] → [_, 25, _] → [_, 16, _, _] → [6, 8, 8, 1, _]

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Answer: Row5[5]=9, Row2[2]=44, Row4[4]=10, Row3[1]=30, Row1[1]=99, Row4[3]=9, Row3[3]=19, Row4[1]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [55,44]
  • [30,25,19]
  • [14,16,9,10]
  • [6,8,8,1,9]
Base
  • 6
  • 8
  • 8
  • 1
  • 9
TopValue
99
HiddenCells
  • {"r":4,"c":4,"v":9}
  • {"r":1,"c":1,"v":44}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":0,"v":30}
  • {"r":0,"c":0,"v":99}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":2,"v":19}
  • {"r":3,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [86] → [_, 43] → [22, _, _] → [_, 11, 10, _] → [_, 4, 7, _, _]

Show answer

Answer: Row5[1]=7, Row5[4]=3, Row5[5]=9, Row3[3]=22, Row3[2]=21, Row4[1]=11, Row2[1]=43, Row4[4]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [43,43]
  • [22,21,22]
  • [11,11,10,12]
  • [7,4,7,3,9]
Base
  • 7
  • 4
  • 7
  • 3
  • 9
TopValue
86
HiddenCells
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":3,"v":3}
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":2,"v":22}
  • {"r":2,"c":1,"v":21}
  • {"r":3,"c":0,"v":11}
  • {"r":1,"c":0,"v":43}
  • {"r":3,"c":3,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [_, _] → [_, _, _] → [11, _, _, 10] → [_, 1, 4, 2, 8]

Show answer

Answer: Row2[2]=27, Row4[2]=5, Row2[1]=27, Row3[3]=16, Row4[3]=6, Row3[1]=16, Row5[1]=10, Row3[2]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [27,27]
  • [16,11,16]
  • [11,5,6,10]
  • [10,1,4,2,8]
Base
  • 10
  • 1
  • 4
  • 2
  • 8
TopValue
54
HiddenCells
  • {"r":1,"c":1,"v":27}
  • {"r":3,"c":1,"v":5}
  • {"r":1,"c":0,"v":27}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":0,"v":16}
  • {"r":4,"c":0,"v":10}
  • {"r":2,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 35] → [18, _, 13] → [7, _, _, _] → [_, _, 10, 1, 1]

Show answer

Answer: Row5[2]=1, Row4[3]=11, Row2[1]=40, Row4[2]=11, Row3[2]=22, Row5[1]=6, Row4[4]=2, Row1[1]=75

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [40,35]
  • [18,22,13]
  • [7,11,11,2]
  • [6,1,10,1,1]
Base
  • 6
  • 1
  • 10
  • 1
  • 1
TopValue
75
HiddenCells
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":2,"v":11}
  • {"r":1,"c":0,"v":40}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":3,"v":2}
  • {"r":0,"c":0,"v":75}