hard Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, 35] → [_, 21, _] → [12, _, _, 6] → [2, _, _, 5, _]

Show answer

Answer: Row4[2]=13, Row3[1]=25, Row3[3]=14, Row5[3]=3, Row5[2]=10, Row4[3]=8, Row1[1]=81, Row5[5]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [46,35]
  • [25,21,14]
  • [12,13,8,6]
  • [2,10,3,5,1]
Base
  • 2
  • 10
  • 3
  • 5
  • 1
TopValue
81
HiddenCells
  • {"r":3,"c":1,"v":13}
  • {"r":2,"c":0,"v":25}
  • {"r":2,"c":2,"v":14}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":1,"v":10}
  • {"r":3,"c":2,"v":8}
  • {"r":0,"c":0,"v":81}
  • {"r":4,"c":4,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [20, _, _] → [12, _, 14, 11] → [_, 4, _, 10, 1]

Show answer

Answer: Row2[2]=47, Row3[3]=25, Row4[2]=8, Row2[1]=42, Row1[1]=89, Row3[2]=22, Row5[1]=8, Row5[3]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [42,47]
  • [20,22,25]
  • [12,8,14,11]
  • [8,4,4,10,1]
Base
  • 8
  • 4
  • 4
  • 10
  • 1
TopValue
89
HiddenCells
  • {"r":1,"c":1,"v":47}
  • {"r":2,"c":2,"v":25}
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":0,"v":42}
  • {"r":0,"c":0,"v":89}
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [118] → [66, 52] → [_, _, _] → [_, 18, 12, _] → [10, 8, _, _, _]

Show answer

Answer: Row3[1]=36, Row3[2]=30, Row4[1]=18, Row5[5]=8, Row4[4]=10, Row5[3]=10, Row5[4]=2, Row3[3]=22

SubType
number-pyramid
Difficulty
hard
Levels
  • [118]
  • [66,52]
  • [36,30,22]
  • [18,18,12,10]
  • [10,8,10,2,8]
Base
  • 10
  • 8
  • 10
  • 2
  • 8
TopValue
118
HiddenCells
  • {"r":2,"c":0,"v":36}
  • {"r":2,"c":1,"v":30}
  • {"r":3,"c":0,"v":18}
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":3,"v":2}
  • {"r":2,"c":2,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [107] → [62, _] → [35, _, _] → [_, 17, _, 8] → [_, _, 7, _, 5]

Show answer

Answer: Row5[4]=3, Row3[2]=27, Row4[1]=18, Row3[3]=18, Row2[2]=45, Row5[2]=10, Row4[3]=10, Row5[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [107]
  • [62,45]
  • [35,27,18]
  • [18,17,10,8]
  • [8,10,7,3,5]
Base
  • 8
  • 10
  • 7
  • 3
  • 5
TopValue
107
HiddenCells
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":1,"v":27}
  • {"r":3,"c":0,"v":18}
  • {"r":2,"c":2,"v":18}
  • {"r":1,"c":1,"v":45}
  • {"r":4,"c":1,"v":10}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":0,"v":8}