hard Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [111] → [50, 61] → [_, _, _] → [5, _, _, _] → [_, 3, _, 9, 1]

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Answer: Row3[2]=32, Row5[3]=10, Row3[1]=18, Row5[1]=2, Row4[4]=10, Row4[3]=19, Row4[2]=13, Row3[3]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [111]
  • [50,61]
  • [18,32,29]
  • [5,13,19,10]
  • [2,3,10,9,1]
Base
  • 2
  • 3
  • 10
  • 9
  • 1
TopValue
111
HiddenCells
  • {"r":2,"c":1,"v":32}
  • {"r":4,"c":2,"v":10}
  • {"r":2,"c":0,"v":18}
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":2,"v":19}
  • {"r":3,"c":1,"v":13}
  • {"r":2,"c":2,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 56] → [_, _, 33] → [5, _, 15, _] → [_, 1, 7, 8, _]

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Answer: Row3[2]=23, Row5[1]=4, Row4[2]=8, Row1[1]=92, Row5[5]=10, Row3[1]=13, Row4[4]=18, Row2[1]=36

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [36,56]
  • [13,23,33]
  • [5,8,15,18]
  • [4,1,7,8,10]
Base
  • 4
  • 1
  • 7
  • 8
  • 10
TopValue
92
HiddenCells
  • {"r":2,"c":1,"v":23}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":1,"v":8}
  • {"r":0,"c":0,"v":92}
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":3,"v":18}
  • {"r":1,"c":0,"v":36}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 46] → [_, _, 25] → [_, 10, _, _] → [9, 8, 2, _, 5]

Show answer

Answer: Row3[2]=21, Row1[1]=94, Row3[1]=27, Row4[4]=14, Row5[4]=9, Row4[1]=17, Row2[1]=48, Row4[3]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [48,46]
  • [27,21,25]
  • [17,10,11,14]
  • [9,8,2,9,5]
Base
  • 9
  • 8
  • 2
  • 9
  • 5
TopValue
94
HiddenCells
  • {"r":2,"c":1,"v":21}
  • {"r":0,"c":0,"v":94}
  • {"r":2,"c":0,"v":27}
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":0,"v":17}
  • {"r":1,"c":0,"v":48}
  • {"r":3,"c":2,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 34] → [_, 17, _] → [_, 9, 8, _] → [_, 8, _, 7, 2]

Show answer

Answer: Row4[1]=10, Row3[1]=19, Row2[1]=36, Row1[1]=70, Row5[1]=2, Row5[3]=1, Row3[3]=17, Row4[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [36,34]
  • [19,17,17]
  • [10,9,8,9]
  • [2,8,1,7,2]
Base
  • 2
  • 8
  • 1
  • 7
  • 2
TopValue
70
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":0,"v":19}
  • {"r":1,"c":0,"v":36}
  • {"r":0,"c":0,"v":70}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":2,"v":1}
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":3,"v":9}