hard Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [39, 46] → [_, 19, 27] → [10, _, _, _] → [_, _, 1, 8, _]

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Answer: Row5[1]=1, Row3[1]=20, Row5[5]=10, Row5[2]=9, Row1[1]=85, Row4[2]=10, Row4[3]=9, Row4[4]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [39,46]
  • [20,19,27]
  • [10,10,9,18]
  • [1,9,1,8,10]
Base
  • 1
  • 9
  • 1
  • 8
  • 10
TopValue
85
HiddenCells
  • {"r":4,"c":0,"v":1}
  • {"r":2,"c":0,"v":20}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":1,"v":9}
  • {"r":0,"c":0,"v":85}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":3,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [68, 63] → [33, _, 28] → [_, 20, _, _] → [_, _, 10, _, 8]

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Answer: Row1[1]=131, Row5[2]=10, Row3[2]=35, Row5[1]=3, Row4[4]=13, Row4[3]=15, Row4[1]=13, Row5[4]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [131]
  • [68,63]
  • [33,35,28]
  • [13,20,15,13]
  • [3,10,10,5,8]
Base
  • 3
  • 10
  • 10
  • 5
  • 8
TopValue
131
HiddenCells
  • {"r":0,"c":0,"v":131}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":1,"v":35}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":3,"v":13}
  • {"r":3,"c":2,"v":15}
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [101] → [56, _] → [28, _, 17] → [11, _, _, _] → [2, 9, _, _, _]

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Answer: Row4[3]=11, Row5[4]=3, Row4[2]=17, Row5[5]=3, Row2[2]=45, Row4[4]=6, Row5[3]=8, Row3[2]=28

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [56,45]
  • [28,28,17]
  • [11,17,11,6]
  • [2,9,8,3,3]
Base
  • 2
  • 9
  • 8
  • 3
  • 3
TopValue
101
HiddenCells
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":1,"v":17}
  • {"r":4,"c":4,"v":3}
  • {"r":1,"c":1,"v":45}
  • {"r":3,"c":3,"v":6}
  • {"r":4,"c":2,"v":8}
  • {"r":2,"c":1,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [65] → [_, 31] → [16, _, 13] → [_, _, _, _] → [3, _, 7, _, 4]

Show answer

Answer: Row4[1]=6, Row2[1]=34, Row3[2]=18, Row4[2]=10, Row4[4]=5, Row5[2]=3, Row4[3]=8, Row5[4]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [34,31]
  • [16,18,13]
  • [6,10,8,5]
  • [3,3,7,1,4]
Base
  • 3
  • 3
  • 7
  • 1
  • 4
TopValue
65
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":1,"c":0,"v":34}
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":3,"v":5}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":2,"v":8}
  • {"r":4,"c":3,"v":1}