hard Set 73 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [112] → [55, 57] → [26, 29, _] → [_, _, _, _] → [_, 4, _, 7, _]

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Answer: Row3[3]=28, Row4[1]=13, Row5[3]=9, Row4[3]=16, Row5[1]=9, Row5[5]=5, Row4[2]=13, Row4[4]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [112]
  • [55,57]
  • [26,29,28]
  • [13,13,16,12]
  • [9,4,9,7,5]
Base
  • 9
  • 4
  • 9
  • 7
  • 5
TopValue
112
HiddenCells
  • {"r":2,"c":2,"v":28}
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":2,"v":16}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":1,"v":13}
  • {"r":3,"c":3,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [132] → [_, _] → [31, _, _] → [_, _, 17, _] → [1, 10, _, 7, 3]

Show answer

Answer: Row2[2]=64, Row3[3]=27, Row4[4]=10, Row4[2]=20, Row4[1]=11, Row2[1]=68, Row3[2]=37, Row5[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [132]
  • [68,64]
  • [31,37,27]
  • [11,20,17,10]
  • [1,10,10,7,3]
Base
  • 1
  • 10
  • 10
  • 7
  • 3
TopValue
132
HiddenCells
  • {"r":1,"c":1,"v":64}
  • {"r":2,"c":2,"v":27}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":1,"v":20}
  • {"r":3,"c":0,"v":11}
  • {"r":1,"c":0,"v":68}
  • {"r":2,"c":1,"v":37}
  • {"r":4,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [52, _] → [27, _, 27] → [_, 13, _, _] → [_, _, 7, 5, 10]

Show answer

Answer: Row5[1]=8, Row1[1]=104, Row5[2]=6, Row3[2]=25, Row4[3]=12, Row2[2]=52, Row4[4]=15, Row4[1]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [52,52]
  • [27,25,27]
  • [14,13,12,15]
  • [8,6,7,5,10]
Base
  • 8
  • 6
  • 7
  • 5
  • 10
TopValue
104
HiddenCells
  • {"r":4,"c":0,"v":8}
  • {"r":0,"c":0,"v":104}
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":1,"v":25}
  • {"r":3,"c":2,"v":12}
  • {"r":1,"c":1,"v":52}
  • {"r":3,"c":3,"v":15}
  • {"r":3,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 50] → [_, 20, _] → [10, _, 13, _] → [_, 1, 6, 7, _]

Show answer

Answer: Row4[2]=7, Row1[1]=87, Row4[4]=17, Row5[1]=9, Row2[1]=37, Row3[3]=30, Row3[1]=17, Row5[5]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [37,50]
  • [17,20,30]
  • [10,7,13,17]
  • [9,1,6,7,10]
Base
  • 9
  • 1
  • 6
  • 7
  • 10
TopValue
87
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":0,"c":0,"v":87}
  • {"r":3,"c":3,"v":17}
  • {"r":4,"c":0,"v":9}
  • {"r":1,"c":0,"v":37}
  • {"r":2,"c":2,"v":30}
  • {"r":2,"c":0,"v":17}
  • {"r":4,"c":4,"v":10}