hard Set 93 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [108] → [60, _] → [31, _, _] → [_, 17, _, 7] → [5, 9, _, _, _]

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Answer: Row3[2]=29, Row5[3]=8, Row4[3]=12, Row2[2]=48, Row5[4]=4, Row3[3]=19, Row5[5]=3, Row4[1]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [60,48]
  • [31,29,19]
  • [14,17,12,7]
  • [5,9,8,4,3]
Base
  • 5
  • 9
  • 8
  • 4
  • 3
TopValue
108
HiddenCells
  • {"r":2,"c":1,"v":29}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":2,"v":12}
  • {"r":1,"c":1,"v":48}
  • {"r":4,"c":3,"v":4}
  • {"r":2,"c":2,"v":19}
  • {"r":4,"c":4,"v":3}
  • {"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): [_] → [42, 46] → [20, 22, _] → [_, _, _, 12] → [_, 5, _, 7, _]

Show answer

Answer: Row4[2]=10, Row5[1]=5, Row3[3]=24, Row1[1]=88, Row4[3]=12, Row5[3]=5, Row4[1]=10, Row5[5]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [42,46]
  • [20,22,24]
  • [10,10,12,12]
  • [5,5,5,7,5]
Base
  • 5
  • 5
  • 5
  • 7
  • 5
TopValue
88
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":0,"v":5}
  • {"r":2,"c":2,"v":24}
  • {"r":0,"c":0,"v":88}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":4,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [62, _] → [_, _, _] → [11, 18, 15, 13] → [_, 9, 9, _, _]

Show answer

Answer: Row3[2]=33, Row2[2]=61, Row5[4]=6, Row3[1]=29, Row5[1]=2, Row1[1]=123, Row5[5]=7, Row3[3]=28

SubType
number-pyramid
Difficulty
hard
Levels
  • [123]
  • [62,61]
  • [29,33,28]
  • [11,18,15,13]
  • [2,9,9,6,7]
Base
  • 2
  • 9
  • 9
  • 6
  • 7
TopValue
123
HiddenCells
  • {"r":2,"c":1,"v":33}
  • {"r":1,"c":1,"v":61}
  • {"r":4,"c":3,"v":6}
  • {"r":2,"c":0,"v":29}
  • {"r":4,"c":0,"v":2}
  • {"r":0,"c":0,"v":123}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":2,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [20, _] → [15, _, _] → [_, 3, _, _] → [10, _, 1, _, 4]

Show answer

Answer: Row4[1]=12, Row3[2]=5, Row3[3]=7, Row2[2]=12, Row5[4]=1, Row5[2]=2, Row4[3]=2, Row4[4]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [32]
  • [20,12]
  • [15,5,7]
  • [12,3,2,5]
  • [10,2,1,1,4]
Base
  • 10
  • 2
  • 1
  • 1
  • 4
TopValue
32
HiddenCells
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":1,"v":5}
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":1,"v":12}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":2,"v":2}
  • {"r":3,"c":3,"v":5}