hard Set 84 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [48, 53] → [_, _, _] → [10, _, 16, _] → [_, _, 7, 9, 1]

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Answer: Row4[2]=11, Row3[3]=26, Row4[4]=10, Row5[1]=6, Row3[2]=27, Row5[2]=4, Row3[1]=21, Row1[1]=101

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [48,53]
  • [21,27,26]
  • [10,11,16,10]
  • [6,4,7,9,1]
Base
  • 6
  • 4
  • 7
  • 9
  • 1
TopValue
101
HiddenCells
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":2,"v":26}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":1,"v":27}
  • {"r":4,"c":1,"v":4}
  • {"r":2,"c":0,"v":21}
  • {"r":0,"c":0,"v":101}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, _] → [_, 19, 20] → [_, _, _, _] → [2, 5, _, 2, 10]

Show answer

Answer: Row5[3]=6, Row1[1]=76, Row4[3]=8, Row2[2]=39, Row3[1]=18, Row4[2]=11, Row4[4]=12, Row4[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [37,39]
  • [18,19,20]
  • [7,11,8,12]
  • [2,5,6,2,10]
Base
  • 2
  • 5
  • 6
  • 2
  • 10
TopValue
76
HiddenCells
  • {"r":4,"c":2,"v":6}
  • {"r":0,"c":0,"v":76}
  • {"r":3,"c":2,"v":8}
  • {"r":1,"c":1,"v":39}
  • {"r":2,"c":0,"v":18}
  • {"r":3,"c":1,"v":11}
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [102] → [_, _] → [_, 25, 32] → [11, _, _, _] → [9, _, 7, 9, _]

Show answer

Answer: Row5[5]=7, Row4[3]=16, Row5[2]=2, Row2[1]=45, Row3[1]=20, Row4[4]=16, Row2[2]=57, Row4[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [102]
  • [45,57]
  • [20,25,32]
  • [11,9,16,16]
  • [9,2,7,9,7]
Base
  • 9
  • 2
  • 7
  • 9
  • 7
TopValue
102
HiddenCells
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":2,"v":16}
  • {"r":4,"c":1,"v":2}
  • {"r":1,"c":0,"v":45}
  • {"r":2,"c":0,"v":20}
  • {"r":3,"c":3,"v":16}
  • {"r":1,"c":1,"v":57}
  • {"r":3,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [79] → [39, _] → [_, 18, 22] → [_, _, 9, _] → [_, _, 1, _, 5]

Show answer

Answer: Row3[1]=21, Row5[2]=8, Row5[4]=8, Row4[4]=13, Row4[2]=9, Row2[2]=40, Row5[1]=4, Row4[1]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [39,40]
  • [21,18,22]
  • [12,9,9,13]
  • [4,8,1,8,5]
Base
  • 4
  • 8
  • 1
  • 8
  • 5
TopValue
79
HiddenCells
  • {"r":2,"c":0,"v":21}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":3,"v":13}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":1,"v":40}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":0,"v":12}