hard Set 57 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 21] → [15, 12, _] → [_, _, _, _] → [5, 3, 4, _, 3]

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Answer: Row3[3]=9, Row4[1]=8, Row5[4]=1, Row2[1]=27, Row4[4]=4, Row1[1]=48, Row4[3]=5, Row4[2]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [48]
  • [27,21]
  • [15,12,9]
  • [8,7,5,4]
  • [5,3,4,1,3]
Base
  • 5
  • 3
  • 4
  • 1
  • 3
TopValue
48
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":3,"v":1}
  • {"r":1,"c":0,"v":27}
  • {"r":3,"c":3,"v":4}
  • {"r":0,"c":0,"v":48}
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 71] → [34, 36, 35] → [16, _, _, 17] → [_, 8, _, _, _]

Show answer

Answer: Row5[4]=8, Row5[5]=9, Row4[3]=18, Row2[1]=70, Row4[2]=18, Row5[3]=10, Row5[1]=8, Row1[1]=141

SubType
number-pyramid
Difficulty
hard
Levels
  • [141]
  • [70,71]
  • [34,36,35]
  • [16,18,18,17]
  • [8,8,10,8,9]
Base
  • 8
  • 8
  • 10
  • 8
  • 9
TopValue
141
HiddenCells
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":2,"v":18}
  • {"r":1,"c":0,"v":70}
  • {"r":3,"c":1,"v":18}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":0,"v":8}
  • {"r":0,"c":0,"v":141}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, _] → [11, _, 13] → [_, _, 6, _] → [1, _, 4, _, 5]

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Answer: Row2[2]=26, Row5[2]=3, Row3[2]=13, Row4[1]=4, Row5[4]=2, Row1[1]=50, Row4[2]=7, Row4[4]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [50]
  • [24,26]
  • [11,13,13]
  • [4,7,6,7]
  • [1,3,4,2,5]
Base
  • 1
  • 3
  • 4
  • 2
  • 5
TopValue
50
HiddenCells
  • {"r":1,"c":1,"v":26}
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":0,"v":4}
  • {"r":4,"c":3,"v":2}
  • {"r":0,"c":0,"v":50}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [106] → [_, _] → [_, 29, 25] → [_, 14, _, _] → [5, 4, _, _, 5]

Show answer

Answer: Row5[4]=5, Row4[4]=10, Row2[2]=54, Row3[1]=23, Row4[3]=15, Row4[1]=9, Row2[1]=52, Row5[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [52,54]
  • [23,29,25]
  • [9,14,15,10]
  • [5,4,10,5,5]
Base
  • 5
  • 4
  • 10
  • 5
  • 5
TopValue
106
HiddenCells
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":1,"v":54}
  • {"r":2,"c":0,"v":23}
  • {"r":3,"c":2,"v":15}
  • {"r":3,"c":0,"v":9}
  • {"r":1,"c":0,"v":52}
  • {"r":4,"c":2,"v":10}