hard Set 86 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 32] → [23, 17, 15] → [_, 9, 8, _] → [_, _, _, 4, _]

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Answer: Row5[3]=4, Row4[1]=14, Row5[5]=3, Row2[1]=40, Row1[1]=72, Row5[1]=9, Row4[4]=7, Row5[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [40,32]
  • [23,17,15]
  • [14,9,8,7]
  • [9,5,4,4,3]
Base
  • 9
  • 5
  • 4
  • 4
  • 3
TopValue
72
HiddenCells
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":4,"v":3}
  • {"r":1,"c":0,"v":40}
  • {"r":0,"c":0,"v":72}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [_, _] → [28, 19, _] → [_, _, 8, _] → [10, _, 4, _, 2]

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Answer: Row4[1]=17, Row5[2]=7, Row4[4]=6, Row4[2]=11, Row3[3]=14, Row2[2]=33, Row5[4]=4, Row2[1]=47

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [47,33]
  • [28,19,14]
  • [17,11,8,6]
  • [10,7,4,4,2]
Base
  • 10
  • 7
  • 4
  • 4
  • 2
TopValue
80
HiddenCells
  • {"r":3,"c":0,"v":17}
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":3,"v":6}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":2,"v":14}
  • {"r":1,"c":1,"v":33}
  • {"r":4,"c":3,"v":4}
  • {"r":1,"c":0,"v":47}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [92] → [38, _] → [_, _, _] → [_, _, 14, _] → [1, 3, 7, _, 9]

Show answer

Answer: Row3[2]=24, Row4[4]=16, Row5[4]=7, Row4[1]=4, Row3[1]=14, Row4[2]=10, Row2[2]=54, Row3[3]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [38,54]
  • [14,24,30]
  • [4,10,14,16]
  • [1,3,7,7,9]
Base
  • 1
  • 3
  • 7
  • 7
  • 9
TopValue
92
HiddenCells
  • {"r":2,"c":1,"v":24}
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":1,"v":10}
  • {"r":1,"c":1,"v":54}
  • {"r":2,"c":2,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [56] → [_, 22] → [_, 12, 10] → [_, _, 4, _] → [7, _, _, 3, _]

Show answer

Answer: Row3[1]=22, Row4[4]=6, Row5[3]=1, Row5[5]=3, Row2[1]=34, Row5[2]=7, Row4[2]=8, Row4[1]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [56]
  • [34,22]
  • [22,12,10]
  • [14,8,4,6]
  • [7,7,1,3,3]
Base
  • 7
  • 7
  • 1
  • 3
  • 3
TopValue
56
HiddenCells
  • {"r":2,"c":0,"v":22}
  • {"r":3,"c":3,"v":6}
  • {"r":4,"c":2,"v":1}
  • {"r":4,"c":4,"v":3}
  • {"r":1,"c":0,"v":34}
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":0,"v":14}