hard Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [99] → [46, _] → [20, _, 27] → [_, _, 14, _] → [1, _, _, _, 4]

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Answer: Row5[2]=7, Row2[2]=53, Row4[4]=13, Row4[1]=8, Row5[3]=5, Row3[2]=26, Row4[2]=12, Row5[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [46,53]
  • [20,26,27]
  • [8,12,14,13]
  • [1,7,5,9,4]
Base
  • 1
  • 7
  • 5
  • 9
  • 4
TopValue
99
HiddenCells
  • {"r":4,"c":1,"v":7}
  • {"r":1,"c":1,"v":53}
  • {"r":3,"c":3,"v":13}
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":1,"v":26}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [106] → [_, _] → [29, _, _] → [13, _, 13, 6] → [_, 8, 8, _, _]

Show answer

Answer: Row5[1]=5, Row5[4]=5, Row2[2]=48, Row5[5]=1, Row2[1]=58, Row3[3]=19, Row3[2]=29, Row4[2]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [58,48]
  • [29,29,19]
  • [13,16,13,6]
  • [5,8,8,5,1]
Base
  • 5
  • 8
  • 8
  • 5
  • 1
TopValue
106
HiddenCells
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":3,"v":5}
  • {"r":1,"c":1,"v":48}
  • {"r":4,"c":4,"v":1}
  • {"r":1,"c":0,"v":58}
  • {"r":2,"c":2,"v":19}
  • {"r":2,"c":1,"v":29}
  • {"r":3,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 55] → [_, 31, _] → [_, 18, 13, 11] → [_, _, 8, _, 6]

Show answer

Answer: Row3[3]=24, Row2[1]=68, Row5[4]=5, Row1[1]=123, Row4[1]=19, Row3[1]=37, Row5[2]=10, Row5[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [123]
  • [68,55]
  • [37,31,24]
  • [19,18,13,11]
  • [9,10,8,5,6]
Base
  • 9
  • 10
  • 8
  • 5
  • 6
TopValue
123
HiddenCells
  • {"r":2,"c":2,"v":24}
  • {"r":1,"c":0,"v":68}
  • {"r":4,"c":3,"v":5}
  • {"r":0,"c":0,"v":123}
  • {"r":3,"c":0,"v":19}
  • {"r":2,"c":0,"v":37}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 12, _] → [17, 9, 3, _] → [9, _, _, 2, 3]

Show answer

Answer: Row4[4]=5, Row5[2]=8, Row3[3]=8, Row5[3]=1, Row2[1]=38, Row1[1]=58, Row3[1]=26, Row2[2]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [58]
  • [38,20]
  • [26,12,8]
  • [17,9,3,5]
  • [9,8,1,2,3]
Base
  • 9
  • 8
  • 1
  • 2
  • 3
TopValue
58
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":2,"v":8}
  • {"r":4,"c":2,"v":1}
  • {"r":1,"c":0,"v":38}
  • {"r":0,"c":0,"v":58}
  • {"r":2,"c":0,"v":26}
  • {"r":1,"c":1,"v":20}