hard Set 47 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [67] → [_, _] → [_, 17, _] → [6, 8, _, _] → [_, 4, 4, _, 5]

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Answer: Row5[1]=2, Row4[3]=9, Row3[1]=14, Row4[4]=10, Row2[2]=36, Row5[4]=5, Row2[1]=31, Row3[3]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [67]
  • [31,36]
  • [14,17,19]
  • [6,8,9,10]
  • [2,4,4,5,5]
Base
  • 2
  • 4
  • 4
  • 5
  • 5
TopValue
67
HiddenCells
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":1,"v":36}
  • {"r":4,"c":3,"v":5}
  • {"r":1,"c":0,"v":31}
  • {"r":2,"c":2,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [87] → [_, 40] → [_, 21, 19] → [13, _, _, 11] → [_, _, _, _, 8]

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Answer: Row4[3]=8, Row5[1]=5, Row5[4]=3, Row4[2]=13, Row2[1]=47, Row3[1]=26, Row5[3]=5, Row5[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [47,40]
  • [26,21,19]
  • [13,13,8,11]
  • [5,8,5,3,8]
Base
  • 5
  • 8
  • 5
  • 3
  • 8
TopValue
87
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":1,"v":13}
  • {"r":1,"c":0,"v":47}
  • {"r":2,"c":0,"v":26}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 42] → [_, _, _] → [16, _, 10, 9] → [10, _, _, 3, 6]

Show answer

Answer: Row3[2]=23, Row3[1]=29, Row2[1]=52, Row5[3]=7, Row4[2]=13, Row3[3]=19, Row1[1]=94, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [52,42]
  • [29,23,19]
  • [16,13,10,9]
  • [10,6,7,3,6]
Base
  • 10
  • 6
  • 7
  • 3
  • 6
TopValue
94
HiddenCells
  • {"r":2,"c":1,"v":23}
  • {"r":2,"c":0,"v":29}
  • {"r":1,"c":0,"v":52}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":1,"v":13}
  • {"r":2,"c":2,"v":19}
  • {"r":0,"c":0,"v":94}
  • {"r":4,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [45, _] → [26, _, 19] → [_, 11, _, 11] → [_, _, 1, _, 4]

Show answer

Answer: Row2[2]=38, Row4[3]=8, Row3[2]=19, Row5[1]=5, Row5[4]=7, Row1[1]=83, Row5[2]=10, Row4[1]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [45,38]
  • [26,19,19]
  • [15,11,8,11]
  • [5,10,1,7,4]
Base
  • 5
  • 10
  • 1
  • 7
  • 4
TopValue
83
HiddenCells
  • {"r":1,"c":1,"v":38}
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":3,"v":7}
  • {"r":0,"c":0,"v":83}
  • {"r":4,"c":1,"v":10}
  • {"r":3,"c":0,"v":15}