hard Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [_, _] → [_, 14, 16] → [_, _, 9, 7] → [3, 2, _, _, _]

Show answer

Answer: Row5[3]=3, Row2[1]=24, Row5[5]=1, Row5[4]=6, Row3[1]=10, Row2[2]=30, Row4[2]=5, Row4[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [24,30]
  • [10,14,16]
  • [5,5,9,7]
  • [3,2,3,6,1]
Base
  • 3
  • 2
  • 3
  • 6
  • 1
TopValue
54
HiddenCells
  • {"r":4,"c":2,"v":3}
  • {"r":1,"c":0,"v":24}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":3,"v":6}
  • {"r":2,"c":0,"v":10}
  • {"r":1,"c":1,"v":30}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [42, _] → [_, 25, 29] → [8, _, _, _] → [6, 2, _, 9, _]

Show answer

Answer: Row2[2]=54, Row3[1]=17, Row4[2]=9, Row1[1]=96, Row4[4]=13, Row5[3]=7, Row4[3]=16, Row5[5]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [42,54]
  • [17,25,29]
  • [8,9,16,13]
  • [6,2,7,9,4]
Base
  • 6
  • 2
  • 7
  • 9
  • 4
TopValue
96
HiddenCells
  • {"r":1,"c":1,"v":54}
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":1,"v":9}
  • {"r":0,"c":0,"v":96}
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":2,"v":16}
  • {"r":4,"c":4,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [39, _] → [17, _, 21] → [_, _, _, _] → [4, 3, 7, _, 4]

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Answer: Row3[2]=22, Row2[2]=43, Row1[1]=82, Row4[3]=12, Row5[4]=5, Row4[2]=10, Row4[4]=9, Row4[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [39,43]
  • [17,22,21]
  • [7,10,12,9]
  • [4,3,7,5,4]
Base
  • 4
  • 3
  • 7
  • 5
  • 4
TopValue
82
HiddenCells
  • {"r":2,"c":1,"v":22}
  • {"r":1,"c":1,"v":43}
  • {"r":0,"c":0,"v":82}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [41, 26] → [26, 15, _] → [_, _, _, 6] → [_, 6, _, _, 5]

Show answer

Answer: Row4[1]=16, Row3[3]=11, Row4[3]=5, Row4[2]=10, Row5[4]=1, Row5[1]=10, Row1[1]=67, Row5[3]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [67]
  • [41,26]
  • [26,15,11]
  • [16,10,5,6]
  • [10,6,4,1,5]
Base
  • 10
  • 6
  • 4
  • 1
  • 5
TopValue
67
HiddenCells
  • {"r":3,"c":0,"v":16}
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":0,"v":10}
  • {"r":0,"c":0,"v":67}
  • {"r":4,"c":2,"v":4}