hard Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [_, _] → [_, _, _] → [4, 6, 9, _] → [_, 1, 5, 4, _]

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Answer: Row3[1]=10, Row5[5]=5, Row2[1]=25, Row3[3]=18, Row2[2]=33, Row4[4]=9, Row5[1]=3, Row3[2]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [58]
  • [25,33]
  • [10,15,18]
  • [4,6,9,9]
  • [3,1,5,4,5]
Base
  • 3
  • 1
  • 5
  • 4
  • 5
TopValue
58
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":4,"c":4,"v":5}
  • {"r":1,"c":0,"v":25}
  • {"r":2,"c":2,"v":18}
  • {"r":1,"c":1,"v":33}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [95] → [_, 56] → [_, 25, 31] → [_, _, _, _] → [3, 1, 9, _, _]

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Answer: Row4[4]=16, Row5[4]=6, Row5[5]=10, Row4[2]=10, Row4[3]=15, Row4[1]=4, Row2[1]=39, Row3[1]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [39,56]
  • [14,25,31]
  • [4,10,15,16]
  • [3,1,9,6,10]
Base
  • 3
  • 1
  • 9
  • 6
  • 10
TopValue
95
HiddenCells
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":2,"v":15}
  • {"r":3,"c":0,"v":4}
  • {"r":1,"c":0,"v":39}
  • {"r":2,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [56, 52] → [28, _, _] → [_, 14, 14, _] → [_, _, 7, _, 3]

Show answer

Answer: Row4[4]=10, Row5[2]=7, Row5[1]=7, Row1[1]=108, Row3[3]=24, Row3[2]=28, Row5[4]=7, Row4[1]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [56,52]
  • [28,28,24]
  • [14,14,14,10]
  • [7,7,7,7,3]
Base
  • 7
  • 7
  • 7
  • 7
  • 3
TopValue
108
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":0,"v":7}
  • {"r":0,"c":0,"v":108}
  • {"r":2,"c":2,"v":24}
  • {"r":2,"c":1,"v":28}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [108] → [_, 57] → [_, _, _] → [_, 12, 15, _] → [9, 3, 9, _, _]

Show answer

Answer: Row5[4]=6, Row4[1]=12, Row3[3]=30, Row4[4]=15, Row5[5]=9, Row2[1]=51, Row3[2]=27, Row3[1]=24

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [51,57]
  • [24,27,30]
  • [12,12,15,15]
  • [9,3,9,6,9]
Base
  • 9
  • 3
  • 9
  • 6
  • 9
TopValue
108
HiddenCells
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":2,"v":30}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":4,"v":9}
  • {"r":1,"c":0,"v":51}
  • {"r":2,"c":1,"v":27}
  • {"r":2,"c":0,"v":24}