hard Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [56, _] → [28, _, 28] → [13, _, _, _] → [_, _, 6, 7, 8]

Show answer

Answer: Row4[3]=13, Row5[1]=4, Row5[2]=9, Row4[2]=15, Row1[1]=112, Row4[4]=15, Row2[2]=56, Row3[2]=28

SubType
number-pyramid
Difficulty
hard
Levels
  • [112]
  • [56,56]
  • [28,28,28]
  • [13,15,13,15]
  • [4,9,6,7,8]
Base
  • 4
  • 9
  • 6
  • 7
  • 8
TopValue
112
HiddenCells
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":1,"v":15}
  • {"r":0,"c":0,"v":112}
  • {"r":3,"c":3,"v":15}
  • {"r":1,"c":1,"v":56}
  • {"r":2,"c":1,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [105] → [_, 53] → [_, 27, _] → [10, _, _, 14] → [_, _, 8, 4, _]

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Answer: Row5[1]=3, Row5[5]=10, Row5[2]=7, Row4[3]=12, Row2[1]=52, Row3[1]=25, Row4[2]=15, Row3[3]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [52,53]
  • [25,27,26]
  • [10,15,12,14]
  • [3,7,8,4,10]
Base
  • 3
  • 7
  • 8
  • 4
  • 10
TopValue
105
HiddenCells
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":2,"v":12}
  • {"r":1,"c":0,"v":52}
  • {"r":2,"c":0,"v":25}
  • {"r":3,"c":1,"v":15}
  • {"r":2,"c":2,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [81] → [_, _] → [18, 17, _] → [_, _, 11, 18] → [_, _, _, 10, 8]

Show answer

Answer: Row5[1]=7, Row5[2]=5, Row2[1]=35, Row3[3]=29, Row4[1]=12, Row5[3]=1, Row4[2]=6, Row2[2]=46

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [35,46]
  • [18,17,29]
  • [12,6,11,18]
  • [7,5,1,10,8]
Base
  • 7
  • 5
  • 1
  • 10
  • 8
TopValue
81
HiddenCells
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":1,"v":5}
  • {"r":1,"c":0,"v":35}
  • {"r":2,"c":2,"v":29}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":1,"v":6}
  • {"r":1,"c":1,"v":46}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [76] → [37, 39] → [_, _, 20] → [8, 10, _, _] → [4, _, _, _, _]

Show answer

Answer: Row3[2]=19, Row5[4]=3, Row5[2]=4, Row5[3]=6, Row3[1]=18, Row4[3]=9, Row5[5]=8, Row4[4]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [37,39]
  • [18,19,20]
  • [8,10,9,11]
  • [4,4,6,3,8]
Base
  • 4
  • 4
  • 6
  • 3
  • 8
TopValue
76
HiddenCells
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":3,"v":3}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":2,"v":6}
  • {"r":2,"c":0,"v":18}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":3,"v":11}