hard Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [55, 47] → [_, 27, 20] → [13, 15, _, 8] → [_, _, _, _, _]

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Answer: Row3[1]=28, Row5[1]=7, Row4[3]=12, Row1[1]=102, Row5[2]=6, Row5[5]=5, Row5[3]=9, Row5[4]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [102]
  • [55,47]
  • [28,27,20]
  • [13,15,12,8]
  • [7,6,9,3,5]
Base
  • 7
  • 6
  • 9
  • 3
  • 5
TopValue
102
HiddenCells
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":2,"v":12}
  • {"r":0,"c":0,"v":102}
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":2,"v":9}
  • {"r":4,"c":3,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [88] → [_, _] → [22, 21, 24] → [_, 11, _, _] → [_, 9, 2, _, _]

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Answer: Row5[1]=2, Row5[4]=8, Row2[2]=45, Row4[1]=11, Row2[1]=43, Row5[5]=6, Row4[4]=14, Row4[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [43,45]
  • [22,21,24]
  • [11,11,10,14]
  • [2,9,2,8,6]
Base
  • 2
  • 9
  • 2
  • 8
  • 6
TopValue
88
HiddenCells
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":3,"v":8}
  • {"r":1,"c":1,"v":45}
  • {"r":3,"c":0,"v":11}
  • {"r":1,"c":0,"v":43}
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":3,"v":14}
  • {"r":3,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [77] → [_, _] → [17, _, 16] → [_, _, 10, _] → [2, 3, _, _, 5]

Show answer

Answer: Row4[2]=12, Row2[1]=39, Row2[2]=38, Row3[2]=22, Row4[4]=6, Row4[1]=5, Row5[4]=1, Row5[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [39,38]
  • [17,22,16]
  • [5,12,10,6]
  • [2,3,9,1,5]
Base
  • 2
  • 3
  • 9
  • 1
  • 5
TopValue
77
HiddenCells
  • {"r":3,"c":1,"v":12}
  • {"r":1,"c":0,"v":39}
  • {"r":1,"c":1,"v":38}
  • {"r":2,"c":1,"v":22}
  • {"r":3,"c":3,"v":6}
  • {"r":3,"c":0,"v":5}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [_, 42] → [_, _, 23] → [_, _, 9, _] → [_, 7, 3, 6, _]

Show answer

Answer: Row4[2]=10, Row5[5]=8, Row4[1]=9, Row5[1]=2, Row2[1]=38, Row3[1]=19, Row3[2]=19, Row4[4]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [38,42]
  • [19,19,23]
  • [9,10,9,14]
  • [2,7,3,6,8]
Base
  • 2
  • 7
  • 3
  • 6
  • 8
TopValue
80
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":0,"v":2}
  • {"r":1,"c":0,"v":38}
  • {"r":2,"c":0,"v":19}
  • {"r":2,"c":1,"v":19}
  • {"r":3,"c":3,"v":14}