hard Set 35 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [108] → [_, _] → [24, 28, _] → [_, 12, 16, _] → [_, _, 10, _, 6]

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Answer: Row5[4]=6, Row4[4]=12, Row2[2]=56, Row4[1]=12, Row3[3]=28, Row5[2]=2, Row2[1]=52, Row5[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [52,56]
  • [24,28,28]
  • [12,12,16,12]
  • [10,2,10,6,6]
Base
  • 10
  • 2
  • 10
  • 6
  • 6
TopValue
108
HiddenCells
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":3,"v":12}
  • {"r":1,"c":1,"v":56}
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":2,"v":28}
  • {"r":4,"c":1,"v":2}
  • {"r":1,"c":0,"v":52}
  • {"r":4,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [129] → [_, 63] → [_, _, 28] → [_, _, 15, 13] → [_, 10, _, _, 8]

Show answer

Answer: Row4[2]=20, Row2[1]=66, Row3[1]=31, Row4[1]=11, Row5[1]=1, Row5[3]=10, Row5[4]=5, Row3[2]=35

SubType
number-pyramid
Difficulty
hard
Levels
  • [129]
  • [66,63]
  • [31,35,28]
  • [11,20,15,13]
  • [1,10,10,5,8]
Base
  • 1
  • 10
  • 10
  • 5
  • 8
TopValue
129
HiddenCells
  • {"r":3,"c":1,"v":20}
  • {"r":1,"c":0,"v":66}
  • {"r":2,"c":0,"v":31}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":1,"v":35}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [67] → [28, 39] → [13, _, _] → [7, _, _, _] → [_, _, _, 5, 10]

Show answer

Answer: Row4[4]=15, Row4[2]=6, Row3[2]=15, Row3[3]=24, Row4[3]=9, Row5[2]=2, Row5[3]=4, Row5[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [67]
  • [28,39]
  • [13,15,24]
  • [7,6,9,15]
  • [5,2,4,5,10]
Base
  • 5
  • 2
  • 4
  • 5
  • 10
TopValue
67
HiddenCells
  • {"r":3,"c":3,"v":15}
  • {"r":3,"c":1,"v":6}
  • {"r":2,"c":1,"v":15}
  • {"r":2,"c":2,"v":24}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [83] → [_, 36] → [27, 20, _] → [_, _, _, 9] → [_, 9, _, 3, _]

Show answer

Answer: Row5[1]=5, Row5[3]=4, Row4[3]=7, Row4[2]=13, Row2[1]=47, Row4[1]=14, Row3[3]=16, Row5[5]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [47,36]
  • [27,20,16]
  • [14,13,7,9]
  • [5,9,4,3,6]
Base
  • 5
  • 9
  • 4
  • 3
  • 6
TopValue
83
HiddenCells
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":1,"v":13}
  • {"r":1,"c":0,"v":47}
  • {"r":3,"c":0,"v":14}
  • {"r":2,"c":2,"v":16}
  • {"r":4,"c":4,"v":6}