hard Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [106] → [_, _] → [23, _, 27] → [10, _, _, _] → [4, _, _, 8, 4]

Show answer

Answer: Row5[3]=7, Row2[2]=55, Row4[3]=15, Row5[2]=6, Row3[2]=28, Row4[2]=13, Row4[4]=12, Row2[1]=51

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [51,55]
  • [23,28,27]
  • [10,13,15,12]
  • [4,6,7,8,4]
Base
  • 4
  • 6
  • 7
  • 8
  • 4
TopValue
106
HiddenCells
  • {"r":4,"c":2,"v":7}
  • {"r":1,"c":1,"v":55}
  • {"r":3,"c":2,"v":15}
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":1,"v":28}
  • {"r":3,"c":1,"v":13}
  • {"r":3,"c":3,"v":12}
  • {"r":1,"c":0,"v":51}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [27, _, _] → [_, 12, _, 14] → [9, 6, _, 6, 8]

Show answer

Answer: Row2[1]=51, Row4[3]=12, Row3[2]=24, Row2[2]=50, Row1[1]=101, Row4[1]=15, Row3[3]=26, Row5[3]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [51,50]
  • [27,24,26]
  • [15,12,12,14]
  • [9,6,6,6,8]
Base
  • 9
  • 6
  • 6
  • 6
  • 8
TopValue
101
HiddenCells
  • {"r":1,"c":0,"v":51}
  • {"r":3,"c":2,"v":12}
  • {"r":2,"c":1,"v":24}
  • {"r":1,"c":1,"v":50}
  • {"r":0,"c":0,"v":101}
  • {"r":3,"c":0,"v":15}
  • {"r":2,"c":2,"v":26}
  • {"r":4,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [_, 31] → [15, 17, 14] → [_, 10, _, _] → [1, _, _, _, _]

Show answer

Answer: Row5[3]=6, Row4[3]=7, Row5[5]=6, Row4[1]=5, Row2[1]=32, Row4[4]=7, Row5[4]=1, Row5[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [32,31]
  • [15,17,14]
  • [5,10,7,7]
  • [1,4,6,1,6]
Base
  • 1
  • 4
  • 6
  • 1
  • 6
TopValue
63
HiddenCells
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":0,"v":5}
  • {"r":1,"c":0,"v":32}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [40, _] → [_, _, 11] → [9, 12, 7, _] → [3, _, _, 1, _]

Show answer

Answer: Row1[1]=70, Row5[2]=6, Row4[4]=4, Row3[2]=19, Row3[1]=21, Row5[5]=3, Row2[2]=30, Row5[3]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [40,30]
  • [21,19,11]
  • [9,12,7,4]
  • [3,6,6,1,3]
Base
  • 3
  • 6
  • 6
  • 1
  • 3
TopValue
70
HiddenCells
  • {"r":0,"c":0,"v":70}
  • {"r":4,"c":1,"v":6}
  • {"r":3,"c":3,"v":4}
  • {"r":2,"c":1,"v":19}
  • {"r":2,"c":0,"v":21}
  • {"r":4,"c":4,"v":3}
  • {"r":1,"c":1,"v":30}
  • {"r":4,"c":2,"v":6}