hard Set 40 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [125] → [_, 60] → [_, _, 28] → [_, _, 14, 14] → [_, 9, _, 5, _]

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Answer: Row5[3]=9, Row3[2]=32, Row5[5]=9, Row5[1]=6, Row2[1]=65, Row3[1]=33, Row4[1]=15, Row4[2]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [125]
  • [65,60]
  • [33,32,28]
  • [15,18,14,14]
  • [6,9,9,5,9]
Base
  • 6
  • 9
  • 9
  • 5
  • 9
TopValue
125
HiddenCells
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":1,"v":32}
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":0,"v":6}
  • {"r":1,"c":0,"v":65}
  • {"r":2,"c":0,"v":33}
  • {"r":3,"c":0,"v":15}
  • {"r":3,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 65] → [25, _, _] → [9, 16, _, _] → [_, _, 10, 7, 8]

Show answer

Answer: Row4[3]=17, Row2[1]=58, Row3[2]=33, Row3[3]=32, Row5[1]=3, Row1[1]=123, Row4[4]=15, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [123]
  • [58,65]
  • [25,33,32]
  • [9,16,17,15]
  • [3,6,10,7,8]
Base
  • 3
  • 6
  • 10
  • 7
  • 8
TopValue
123
HiddenCells
  • {"r":3,"c":2,"v":17}
  • {"r":1,"c":0,"v":58}
  • {"r":2,"c":1,"v":33}
  • {"r":2,"c":2,"v":32}
  • {"r":4,"c":0,"v":3}
  • {"r":0,"c":0,"v":123}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 50] → [_, _, _] → [11, 10, 14, _] → [10, 1, 9, _, _]

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Answer: Row3[3]=26, Row5[4]=5, Row3[1]=21, Row3[2]=24, Row1[1]=95, Row4[4]=12, Row2[1]=45, Row5[5]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [45,50]
  • [21,24,26]
  • [11,10,14,12]
  • [10,1,9,5,7]
Base
  • 10
  • 1
  • 9
  • 5
  • 7
TopValue
95
HiddenCells
  • {"r":2,"c":2,"v":26}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":0,"v":21}
  • {"r":2,"c":1,"v":24}
  • {"r":0,"c":0,"v":95}
  • {"r":3,"c":3,"v":12}
  • {"r":1,"c":0,"v":45}
  • {"r":4,"c":4,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [88] → [39, _] → [_, _, 23] → [2, _, 15, 8] → [_, _, 10, _, _]

Show answer

Answer: Row5[1]=1, Row2[2]=49, Row5[4]=5, Row3[2]=26, Row4[2]=11, Row5[2]=1, Row5[5]=3, Row3[1]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [39,49]
  • [13,26,23]
  • [2,11,15,8]
  • [1,1,10,5,3]
Base
  • 1
  • 1
  • 10
  • 5
  • 3
TopValue
88
HiddenCells
  • {"r":4,"c":0,"v":1}
  • {"r":1,"c":1,"v":49}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":1,"v":26}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":0,"v":13}