hard Set 41 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [45, _] → [_, 29, _] → [_, _, 17, 15] → [_, _, 9, 8, 7]

Show answer

Answer: Row4[2]=12, Row5[1]=1, Row1[1]=106, Row2[2]=61, Row4[1]=4, Row3[3]=32, Row3[1]=16, Row5[2]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [45,61]
  • [16,29,32]
  • [4,12,17,15]
  • [1,3,9,8,7]
Base
  • 1
  • 3
  • 9
  • 8
  • 7
TopValue
106
HiddenCells
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":0,"v":1}
  • {"r":0,"c":0,"v":106}
  • {"r":1,"c":1,"v":61}
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":2,"v":32}
  • {"r":2,"c":0,"v":16}
  • {"r":4,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [27, 13, _] → [17, _, 3, 11] → [_, 9, 1, _, _]

Show answer

Answer: Row4[2]=10, Row1[1]=67, Row2[1]=40, Row5[4]=2, Row2[2]=27, Row5[1]=8, Row5[5]=9, Row3[3]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [67]
  • [40,27]
  • [27,13,14]
  • [17,10,3,11]
  • [8,9,1,2,9]
Base
  • 8
  • 9
  • 1
  • 2
  • 9
TopValue
67
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":0,"c":0,"v":67}
  • {"r":1,"c":0,"v":40}
  • {"r":4,"c":3,"v":2}
  • {"r":1,"c":1,"v":27}
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":2,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [97] → [_, _] → [27, 24, _] → [_, _, 10, _] → [_, _, 5, 5, 7]

Show answer

Answer: Row5[1]=4, Row2[1]=51, Row4[1]=13, Row4[2]=14, Row5[2]=9, Row3[3]=22, Row2[2]=46, Row4[4]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [97]
  • [51,46]
  • [27,24,22]
  • [13,14,10,12]
  • [4,9,5,5,7]
Base
  • 4
  • 9
  • 5
  • 5
  • 7
TopValue
97
HiddenCells
  • {"r":4,"c":0,"v":4}
  • {"r":1,"c":0,"v":51}
  • {"r":3,"c":0,"v":13}
  • {"r":3,"c":1,"v":14}
  • {"r":4,"c":1,"v":9}
  • {"r":2,"c":2,"v":22}
  • {"r":1,"c":1,"v":46}
  • {"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): [_] → [_, 58] → [32, 31, _] → [_, _, _, _] → [_, 10, 6, 9, 3]

Show answer

Answer: Row4[2]=16, Row3[3]=27, Row2[1]=63, Row4[3]=15, Row1[1]=121, Row4[4]=12, Row4[1]=16, Row5[1]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [121]
  • [63,58]
  • [32,31,27]
  • [16,16,15,12]
  • [6,10,6,9,3]
Base
  • 6
  • 10
  • 6
  • 9
  • 3
TopValue
121
HiddenCells
  • {"r":3,"c":1,"v":16}
  • {"r":2,"c":2,"v":27}
  • {"r":1,"c":0,"v":63}
  • {"r":3,"c":2,"v":15}
  • {"r":0,"c":0,"v":121}
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":0,"v":6}