hard Set 16 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [85] → [44, _] → [_, 20, _] → [_, _, 9, 12] → [_, _, 1, _, 4]

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Answer: Row4[1]=13, Row3[1]=24, Row3[3]=21, Row5[4]=8, Row5[1]=3, Row5[2]=10, Row4[2]=11, Row2[2]=41

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [44,41]
  • [24,20,21]
  • [13,11,9,12]
  • [3,10,1,8,4]
Base
  • 3
  • 10
  • 1
  • 8
  • 4
TopValue
85
HiddenCells
  • {"r":3,"c":0,"v":13}
  • {"r":2,"c":0,"v":24}
  • {"r":2,"c":2,"v":21}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":1,"v":10}
  • {"r":3,"c":1,"v":11}
  • {"r":1,"c":1,"v":41}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [_, _] → [_, 16, _] → [_, 7, 9, 14] → [_, 4, _, _, 8]

Show answer

Answer: Row3[3]=23, Row3[1]=19, Row5[4]=6, Row4[1]=12, Row5[1]=8, Row5[3]=3, Row2[2]=39, Row2[1]=35

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [35,39]
  • [19,16,23]
  • [12,7,9,14]
  • [8,4,3,6,8]
Base
  • 8
  • 4
  • 3
  • 6
  • 8
TopValue
74
HiddenCells
  • {"r":2,"c":2,"v":23}
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":2,"v":3}
  • {"r":1,"c":1,"v":39}
  • {"r":1,"c":0,"v":35}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [103] → [51, 52] → [_, _, _] → [_, _, _, 12] → [9, 4, _, _, 6]

Show answer

Answer: Row3[1]=25, Row3[3]=26, Row4[2]=12, Row4[3]=14, Row5[3]=8, Row5[4]=6, Row3[2]=26, Row4[1]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [51,52]
  • [25,26,26]
  • [13,12,14,12]
  • [9,4,8,6,6]
Base
  • 9
  • 4
  • 8
  • 6
  • 6
TopValue
103
HiddenCells
  • {"r":2,"c":0,"v":25}
  • {"r":2,"c":2,"v":26}
  • {"r":3,"c":1,"v":12}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":2,"v":8}
  • {"r":4,"c":3,"v":6}
  • {"r":2,"c":1,"v":26}
  • {"r":3,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [50, 55] → [23, 27, 28] → [_, _, _, _] → [6, _, 9, _, _]

Show answer

Answer: Row5[5]=9, Row4[3]=14, Row5[4]=5, Row5[2]=4, Row1[1]=105, Row4[4]=14, Row4[1]=10, Row4[2]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [50,55]
  • [23,27,28]
  • [10,13,14,14]
  • [6,4,9,5,9]
Base
  • 6
  • 4
  • 9
  • 5
  • 9
TopValue
105
HiddenCells
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":1,"v":4}
  • {"r":0,"c":0,"v":105}
  • {"r":3,"c":3,"v":14}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":1,"v":13}