hard Set 43 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 38] → [8, 12, 26] → [_, 3, _, _] → [_, _, 1, _, 9]

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Answer: Row5[4]=8, Row1[1]=58, Row4[1]=5, Row5[2]=2, Row4[4]=17, Row4[3]=9, Row5[1]=3, Row2[1]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [58]
  • [20,38]
  • [8,12,26]
  • [5,3,9,17]
  • [3,2,1,8,9]
Base
  • 3
  • 2
  • 1
  • 8
  • 9
TopValue
58
HiddenCells
  • {"r":4,"c":3,"v":8}
  • {"r":0,"c":0,"v":58}
  • {"r":3,"c":0,"v":5}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":3,"v":17}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":0,"v":3}
  • {"r":1,"c":0,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [71] → [37, 34] → [18, 19, _] → [_, 11, _, _] → [2, _, _, _, _]

Show answer

Answer: Row5[3]=6, Row4[4]=7, Row5[4]=2, Row5[5]=5, Row3[3]=15, Row4[1]=7, Row5[2]=5, Row4[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [37,34]
  • [18,19,15]
  • [7,11,8,7]
  • [2,5,6,2,5]
Base
  • 2
  • 5
  • 6
  • 2
  • 5
TopValue
71
HiddenCells
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":0,"v":7}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [9, 5, 9] → [_, _, 3, 6] → [_, 1, 1, _, _]

Show answer

Answer: Row4[1]=7, Row5[4]=2, Row1[1]=28, Row2[1]=14, Row5[5]=4, Row2[2]=14, Row4[2]=2, Row5[1]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [28]
  • [14,14]
  • [9,5,9]
  • [7,2,3,6]
  • [6,1,1,2,4]
Base
  • 6
  • 1
  • 1
  • 2
  • 4
TopValue
28
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":4,"c":3,"v":2}
  • {"r":0,"c":0,"v":28}
  • {"r":1,"c":0,"v":14}
  • {"r":4,"c":4,"v":4}
  • {"r":1,"c":1,"v":14}
  • {"r":3,"c":1,"v":2}
  • {"r":4,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [54, _] → [_, _, 28] → [15, _, _, 15] → [7, _, 5, _, 7]

Show answer

Answer: Row5[2]=8, Row3[2]=26, Row3[1]=28, Row5[4]=8, Row1[1]=108, Row4[2]=13, Row4[3]=13, Row2[2]=54

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [54,54]
  • [28,26,28]
  • [15,13,13,15]
  • [7,8,5,8,7]
Base
  • 7
  • 8
  • 5
  • 8
  • 7
TopValue
108
HiddenCells
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":1,"v":26}
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":3,"v":8}
  • {"r":0,"c":0,"v":108}
  • {"r":3,"c":1,"v":13}
  • {"r":3,"c":2,"v":13}
  • {"r":1,"c":1,"v":54}