hard Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [26, _] → [_, _, 19] → [_, 4, _, 13] → [_, 2, _, 4, _]

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Answer: Row4[3]=6, Row3[1]=16, Row2[2]=29, Row5[5]=9, Row5[1]=10, Row3[2]=10, Row4[1]=12, Row5[3]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [55]
  • [26,29]
  • [16,10,19]
  • [12,4,6,13]
  • [10,2,2,4,9]
Base
  • 10
  • 2
  • 2
  • 4
  • 9
TopValue
55
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":0,"v":16}
  • {"r":1,"c":1,"v":29}
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":0,"v":10}
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [120] → [_, _] → [23, 31, 35] → [_, 12, _, _] → [_, _, _, 10, 6]

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Answer: Row4[3]=19, Row5[2]=3, Row4[4]=16, Row5[3]=9, Row2[1]=54, Row5[1]=8, Row4[1]=11, Row2[2]=66

SubType
number-pyramid
Difficulty
hard
Levels
  • [120]
  • [54,66]
  • [23,31,35]
  • [11,12,19,16]
  • [8,3,9,10,6]
Base
  • 8
  • 3
  • 9
  • 10
  • 6
TopValue
120
HiddenCells
  • {"r":3,"c":2,"v":19}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":2,"v":9}
  • {"r":1,"c":0,"v":54}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":0,"v":11}
  • {"r":1,"c":1,"v":66}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 64] → [_, 31, 33] → [_, 12, 19, _] → [9, _, _, 10, _]

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Answer: Row3[1]=24, Row1[1]=119, Row4[4]=14, Row5[3]=9, Row2[1]=55, Row4[1]=12, Row5[5]=4, Row5[2]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [119]
  • [55,64]
  • [24,31,33]
  • [12,12,19,14]
  • [9,3,9,10,4]
Base
  • 9
  • 3
  • 9
  • 10
  • 4
TopValue
119
HiddenCells
  • {"r":2,"c":0,"v":24}
  • {"r":0,"c":0,"v":119}
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":2,"v":9}
  • {"r":1,"c":0,"v":55}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, 50] → [25, 24, _] → [14, _, _, _] → [_, _, 7, _, 7]

Show answer

Answer: Row5[2]=4, Row4[4]=13, Row5[4]=6, Row5[1]=10, Row1[1]=99, Row4[3]=13, Row3[3]=26, Row4[2]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [49,50]
  • [25,24,26]
  • [14,11,13,13]
  • [10,4,7,6,7]
Base
  • 10
  • 4
  • 7
  • 6
  • 7
TopValue
99
HiddenCells
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":0,"v":10}
  • {"r":0,"c":0,"v":99}
  • {"r":3,"c":2,"v":13}
  • {"r":2,"c":2,"v":26}
  • {"r":3,"c":1,"v":11}