hard Set 83 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 36] → [_, _, 19] → [_, 10, _, 12] → [_, 5, 5, 2, _]

Show answer

Answer: Row5[5]=10, Row4[1]=11, Row3[1]=21, Row1[1]=74, Row3[2]=17, Row2[1]=38, Row5[1]=6, Row4[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [38,36]
  • [21,17,19]
  • [11,10,7,12]
  • [6,5,5,2,10]
Base
  • 6
  • 5
  • 5
  • 2
  • 10
TopValue
74
HiddenCells
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":0,"v":11}
  • {"r":2,"c":0,"v":21}
  • {"r":0,"c":0,"v":74}
  • {"r":2,"c":1,"v":17}
  • {"r":1,"c":0,"v":38}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 30] → [13, _, _] → [8, _, 8, 9] → [7, _, _, _, 5]

Show answer

Answer: Row5[3]=4, Row5[4]=4, Row3[2]=13, Row5[2]=1, Row4[2]=5, Row2[1]=26, Row3[3]=17, Row1[1]=56

SubType
number-pyramid
Difficulty
hard
Levels
  • [56]
  • [26,30]
  • [13,13,17]
  • [8,5,8,9]
  • [7,1,4,4,5]
Base
  • 7
  • 1
  • 4
  • 4
  • 5
TopValue
56
HiddenCells
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":3,"v":4}
  • {"r":2,"c":1,"v":13}
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":1,"v":5}
  • {"r":1,"c":0,"v":26}
  • {"r":2,"c":2,"v":17}
  • {"r":0,"c":0,"v":56}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, _] → [11, 16, _] → [_, _, 10, _] → [1, _, _, 8, 6]

Show answer

Answer: Row5[3]=2, Row1[1]=67, Row5[2]=4, Row4[2]=6, Row4[4]=14, Row2[2]=40, Row4[1]=5, Row3[3]=24

SubType
number-pyramid
Difficulty
hard
Levels
  • [67]
  • [27,40]
  • [11,16,24]
  • [5,6,10,14]
  • [1,4,2,8,6]
Base
  • 1
  • 4
  • 2
  • 8
  • 6
TopValue
67
HiddenCells
  • {"r":4,"c":2,"v":2}
  • {"r":0,"c":0,"v":67}
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":3,"v":14}
  • {"r":1,"c":1,"v":40}
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":2,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 35] → [_, 19, 16] → [_, 11, _, _] → [_, 8, 3, _, 3]

Show answer

Answer: Row3[1]=29, Row4[4]=8, Row4[1]=18, Row5[1]=10, Row5[4]=5, Row4[3]=8, Row2[1]=48, Row1[1]=83

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [48,35]
  • [29,19,16]
  • [18,11,8,8]
  • [10,8,3,5,3]
Base
  • 10
  • 8
  • 3
  • 5
  • 3
TopValue
83
HiddenCells
  • {"r":2,"c":0,"v":29}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":0,"v":18}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":2,"v":8}
  • {"r":1,"c":0,"v":48}
  • {"r":0,"c":0,"v":83}