hard Set 99 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [_, 27] → [_, _, 17] → [9, _, 5, _] → [7, _, _, _, 10]

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Answer: Row4[2]=5, Row2[1]=24, Row3[2]=10, Row3[1]=14, Row5[4]=2, Row5[3]=3, Row5[2]=2, Row4[4]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [51]
  • [24,27]
  • [14,10,17]
  • [9,5,5,12]
  • [7,2,3,2,10]
Base
  • 7
  • 2
  • 3
  • 2
  • 10
TopValue
51
HiddenCells
  • {"r":3,"c":1,"v":5}
  • {"r":1,"c":0,"v":24}
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":14}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":1,"v":2}
  • {"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): [_] → [30, _] → [_, _, 17] → [_, 5, 6, 11] → [_, 4, _, _, 6]

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Answer: Row1[1]=58, Row4[1]=14, Row5[1]=10, Row5[4]=5, Row5[3]=1, Row2[2]=28, Row3[1]=19, Row3[2]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [58]
  • [30,28]
  • [19,11,17]
  • [14,5,6,11]
  • [10,4,1,5,6]
Base
  • 10
  • 4
  • 1
  • 5
  • 6
TopValue
58
HiddenCells
  • {"r":0,"c":0,"v":58}
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":2,"v":1}
  • {"r":1,"c":1,"v":28}
  • {"r":2,"c":0,"v":19}
  • {"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): [49] → [_, _] → [_, _, _] → [10, _, 6, _] → [8, _, 2, 4, 5]

Show answer

Answer: Row3[2]=10, Row3[3]=15, Row2[2]=25, Row3[1]=14, Row4[2]=4, Row4[4]=9, Row2[1]=24, Row5[2]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [49]
  • [24,25]
  • [14,10,15]
  • [10,4,6,9]
  • [8,2,2,4,5]
Base
  • 8
  • 2
  • 2
  • 4
  • 5
TopValue
49
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":2,"v":15}
  • {"r":1,"c":1,"v":25}
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":3,"v":9}
  • {"r":1,"c":0,"v":24}
  • {"r":4,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, _] → [16, _, 11] → [10, _, _, _] → [8, _, 4, _, 5]

Show answer

Answer: Row5[4]=1, Row4[4]=6, Row1[1]=49, Row4[3]=5, Row4[2]=6, Row5[2]=2, Row2[2]=22, Row3[2]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [49]
  • [27,22]
  • [16,11,11]
  • [10,6,5,6]
  • [8,2,4,1,5]
Base
  • 8
  • 2
  • 4
  • 1
  • 5
TopValue
49
HiddenCells
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":3,"v":6}
  • {"r":0,"c":0,"v":49}
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":1,"v":6}
  • {"r":4,"c":1,"v":2}
  • {"r":1,"c":1,"v":22}
  • {"r":2,"c":1,"v":11}