hard Set 95 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [_, 38] → [21, _, _] → [_, _, 10, 7] → [5, _, _, _, 3]

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Answer: Row5[4]=4, Row3[3]=17, Row2[1]=42, Row4[1]=10, Row5[2]=5, Row4[2]=11, Row5[3]=6, Row3[2]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [42,38]
  • [21,21,17]
  • [10,11,10,7]
  • [5,5,6,4,3]
Base
  • 5
  • 5
  • 6
  • 4
  • 3
TopValue
80
HiddenCells
  • {"r":4,"c":3,"v":4}
  • {"r":2,"c":2,"v":17}
  • {"r":1,"c":0,"v":42}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":2,"v":6}
  • {"r":2,"c":1,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, _] → [6, 11, _] → [_, 4, 7, _] → [1, _, _, _, 9]

Show answer

Answer: Row4[1]=2, Row5[2]=1, Row1[1]=48, Row2[2]=31, Row5[3]=3, Row4[4]=13, Row3[3]=20, Row5[4]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [48]
  • [17,31]
  • [6,11,20]
  • [2,4,7,13]
  • [1,1,3,4,9]
Base
  • 1
  • 1
  • 3
  • 4
  • 9
TopValue
48
HiddenCells
  • {"r":3,"c":0,"v":2}
  • {"r":4,"c":1,"v":1}
  • {"r":0,"c":0,"v":48}
  • {"r":1,"c":1,"v":31}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":3,"v":13}
  • {"r":2,"c":2,"v":20}
  • {"r":4,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [40, 39] → [_, _, _] → [_, 9, _, 10] → [_, _, 7, 3, 7]

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Answer: Row4[3]=10, Row1[1]=79, Row5[2]=2, Row3[1]=21, Row3[3]=20, Row5[1]=10, Row4[1]=12, Row3[2]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [40,39]
  • [21,19,20]
  • [12,9,10,10]
  • [10,2,7,3,7]
Base
  • 10
  • 2
  • 7
  • 3
  • 7
TopValue
79
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":0,"c":0,"v":79}
  • {"r":4,"c":1,"v":2}
  • {"r":2,"c":0,"v":21}
  • {"r":2,"c":2,"v":20}
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [68] → [38, _] → [_, _, 16] → [15, 9, _, 11] → [_, _, 4, _, _]

Show answer

Answer: Row5[4]=1, Row5[1]=10, Row3[1]=24, Row2[2]=30, Row4[3]=5, Row5[2]=5, Row5[5]=10, Row3[2]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [38,30]
  • [24,14,16]
  • [15,9,5,11]
  • [10,5,4,1,10]
Base
  • 10
  • 5
  • 4
  • 1
  • 10
TopValue
68
HiddenCells
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":0,"v":10}
  • {"r":2,"c":0,"v":24}
  • {"r":1,"c":1,"v":30}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":1,"v":5}
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":1,"v":14}