hard Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 26, 23] → [_, 14, _, 11] → [9, _, 6, _, 5]

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Answer: Row4[1]=17, Row2[1]=57, Row5[4]=6, Row5[2]=8, Row3[1]=31, Row1[1]=106, Row4[3]=12, Row2[2]=49

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [57,49]
  • [31,26,23]
  • [17,14,12,11]
  • [9,8,6,6,5]
Base
  • 9
  • 8
  • 6
  • 6
  • 5
TopValue
106
HiddenCells
  • {"r":3,"c":0,"v":17}
  • {"r":1,"c":0,"v":57}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":0,"v":31}
  • {"r":0,"c":0,"v":106}
  • {"r":3,"c":2,"v":12}
  • {"r":1,"c":1,"v":49}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [54, 64] → [23, 31, _] → [9, _, _, _] → [2, _, _, _, 6]

Show answer

Answer: Row4[2]=14, Row5[3]=7, Row4[4]=16, Row5[4]=10, Row1[1]=118, Row3[3]=33, Row4[3]=17, Row5[2]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [118]
  • [54,64]
  • [23,31,33]
  • [9,14,17,16]
  • [2,7,7,10,6]
Base
  • 2
  • 7
  • 7
  • 10
  • 6
TopValue
118
HiddenCells
  • {"r":3,"c":1,"v":14}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":3,"v":10}
  • {"r":0,"c":0,"v":118}
  • {"r":2,"c":2,"v":33}
  • {"r":3,"c":2,"v":17}
  • {"r":4,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [89] → [_, 40] → [29, _, _] → [_, 13, 7, _] → [6, 10, _, _, _]

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Answer: Row5[4]=4, Row5[5]=9, Row4[4]=13, Row3[3]=20, Row5[3]=3, Row4[1]=16, Row3[2]=20, Row2[1]=49

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [49,40]
  • [29,20,20]
  • [16,13,7,13]
  • [6,10,3,4,9]
Base
  • 6
  • 10
  • 3
  • 4
  • 9
TopValue
89
HiddenCells
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":3,"v":13}
  • {"r":2,"c":2,"v":20}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":0,"v":16}
  • {"r":2,"c":1,"v":20}
  • {"r":1,"c":0,"v":49}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [146] → [75, 71] → [_, 37, _] → [_, _, 18, _] → [_, _, 10, 8, _]

Show answer

Answer: Row5[5]=8, Row4[4]=16, Row5[1]=10, Row5[2]=9, Row4[1]=19, Row3[3]=34, Row3[1]=38, Row4[2]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [146]
  • [75,71]
  • [38,37,34]
  • [19,19,18,16]
  • [10,9,10,8,8]
Base
  • 10
  • 9
  • 10
  • 8
  • 8
TopValue
146
HiddenCells
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":0,"v":19}
  • {"r":2,"c":2,"v":34}
  • {"r":2,"c":0,"v":38}
  • {"r":3,"c":1,"v":19}