hard Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [55, _] → [_, 25, _] → [16, _, 11, 8] → [_, 7, 7, _, _]

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Answer: Row5[5]=4, Row5[4]=4, Row4[2]=14, Row1[1]=99, Row3[1]=30, Row3[3]=19, Row2[2]=44, Row5[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [55,44]
  • [30,25,19]
  • [16,14,11,8]
  • [9,7,7,4,4]
Base
  • 9
  • 7
  • 7
  • 4
  • 4
TopValue
99
HiddenCells
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":1,"v":14}
  • {"r":0,"c":0,"v":99}
  • {"r":2,"c":0,"v":30}
  • {"r":2,"c":2,"v":19}
  • {"r":1,"c":1,"v":44}
  • {"r":4,"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): [_] → [_, _] → [_, _, _] → [10, 8, 6, _] → [3, 7, 1, 5, _]

Show answer

Answer: Row3[3]=20, Row2[1]=32, Row1[1]=66, Row3[1]=18, Row4[4]=14, Row2[2]=34, Row5[5]=9, Row3[2]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [32,34]
  • [18,14,20]
  • [10,8,6,14]
  • [3,7,1,5,9]
Base
  • 3
  • 7
  • 1
  • 5
  • 9
TopValue
66
HiddenCells
  • {"r":2,"c":2,"v":20}
  • {"r":1,"c":0,"v":32}
  • {"r":0,"c":0,"v":66}
  • {"r":2,"c":0,"v":18}
  • {"r":3,"c":3,"v":14}
  • {"r":1,"c":1,"v":34}
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 45] → [19, _, 20] → [6, _, _, _] → [_, _, 9, 3, 5]

Show answer

Answer: Row2[1]=44, Row4[4]=8, Row1[1]=89, Row5[2]=4, Row5[1]=2, Row3[2]=25, Row4[3]=12, Row4[2]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [44,45]
  • [19,25,20]
  • [6,13,12,8]
  • [2,4,9,3,5]
Base
  • 2
  • 4
  • 9
  • 3
  • 5
TopValue
89
HiddenCells
  • {"r":1,"c":0,"v":44}
  • {"r":3,"c":3,"v":8}
  • {"r":0,"c":0,"v":89}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":0,"v":2}
  • {"r":2,"c":1,"v":25}
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 20] → [_, 7, 13] → [10, _, _, _] → [_, 1, _, 4, 4]

Show answer

Answer: Row5[3]=1, Row4[2]=2, Row3[1]=12, Row5[1]=9, Row4[4]=8, Row1[1]=39, Row2[1]=19, Row4[3]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [39]
  • [19,20]
  • [12,7,13]
  • [10,2,5,8]
  • [9,1,1,4,4]
Base
  • 9
  • 1
  • 1
  • 4
  • 4
TopValue
39
HiddenCells
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":1,"v":2}
  • {"r":2,"c":0,"v":12}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":3,"v":8}
  • {"r":0,"c":0,"v":39}
  • {"r":1,"c":0,"v":19}
  • {"r":3,"c":2,"v":5}