hard Set 66 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [122] → [_, 58] → [_, 30, _] → [_, 17, _, 15] → [_, _, 7, 6, _]

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Answer: Row3[1]=34, Row5[1]=7, Row2[1]=64, Row4[1]=17, Row5[5]=9, Row4[3]=13, Row5[2]=10, Row3[3]=28

SubType
number-pyramid
Difficulty
hard
Levels
  • [122]
  • [64,58]
  • [34,30,28]
  • [17,17,13,15]
  • [7,10,7,6,9]
Base
  • 7
  • 10
  • 7
  • 6
  • 9
TopValue
122
HiddenCells
  • {"r":2,"c":0,"v":34}
  • {"r":4,"c":0,"v":7}
  • {"r":1,"c":0,"v":64}
  • {"r":3,"c":0,"v":17}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":2,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [24, 22] → [_, _, 13] → [10, _, _, _] → [6, _, _, 3, _]

Show answer

Answer: Row3[1]=15, Row3[2]=9, Row4[2]=5, Row4[3]=4, Row4[4]=9, Row5[2]=4, Row5[3]=1, Row5[5]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [46]
  • [24,22]
  • [15,9,13]
  • [10,5,4,9]
  • [6,4,1,3,6]
Base
  • 6
  • 4
  • 1
  • 3
  • 6
TopValue
46
HiddenCells
  • {"r":2,"c":0,"v":15}
  • {"r":2,"c":1,"v":9}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":2,"v":1}
  • {"r":4,"c":4,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [77] → [_, 32] → [23, _, _] → [_, _, _, 2] → [2, 7, _, 1, _]

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Answer: Row2[1]=45, Row4[2]=14, Row3[2]=22, Row4[3]=8, Row3[3]=10, Row5[5]=1, Row5[3]=7, Row4[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [45,32]
  • [23,22,10]
  • [9,14,8,2]
  • [2,7,7,1,1]
Base
  • 2
  • 7
  • 7
  • 1
  • 1
TopValue
77
HiddenCells
  • {"r":1,"c":0,"v":45}
  • {"r":3,"c":1,"v":14}
  • {"r":2,"c":1,"v":22}
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":2,"v":10}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [31, 24, _] → [15, 16, _, _] → [5, _, 6, 2, _]

Show answer

Answer: Row5[2]=10, Row5[5]=10, Row2[1]=55, Row1[1]=99, Row4[4]=12, Row4[3]=8, Row2[2]=44, Row3[3]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [55,44]
  • [31,24,20]
  • [15,16,8,12]
  • [5,10,6,2,10]
Base
  • 5
  • 10
  • 6
  • 2
  • 10
TopValue
99
HiddenCells
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":4,"v":10}
  • {"r":1,"c":0,"v":55}
  • {"r":0,"c":0,"v":99}
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":2,"v":8}
  • {"r":1,"c":1,"v":44}
  • {"r":2,"c":2,"v":20}