hard Set 32 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [35, _] → [_, 18, 24] → [_, 9, 9, _] → [2, _, _, _, 9]

Show answer

Answer: Row4[4]=15, Row2[2]=42, Row5[4]=6, Row5[2]=6, Row1[1]=77, Row3[1]=17, Row4[1]=8, Row5[3]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [35,42]
  • [17,18,24]
  • [8,9,9,15]
  • [2,6,3,6,9]
Base
  • 2
  • 6
  • 3
  • 6
  • 9
TopValue
77
HiddenCells
  • {"r":3,"c":3,"v":15}
  • {"r":1,"c":1,"v":42}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":1,"v":6}
  • {"r":0,"c":0,"v":77}
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [76] → [_, _] → [18, _, _] → [8, _, _, 8] → [2, _, 4, _, 2]

Show answer

Answer: Row3[3]=18, Row2[1]=38, Row4[2]=10, Row3[2]=20, Row2[2]=38, Row5[2]=6, Row5[4]=6, Row4[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [38,38]
  • [18,20,18]
  • [8,10,10,8]
  • [2,6,4,6,2]
Base
  • 2
  • 6
  • 4
  • 6
  • 2
TopValue
76
HiddenCells
  • {"r":2,"c":2,"v":18}
  • {"r":1,"c":0,"v":38}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":1,"v":20}
  • {"r":1,"c":1,"v":38}
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"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): [_] → [40, _] → [17, 23, _] → [_, _, _, 8] → [3, _, _, 1, 7]

Show answer

Answer: Row4[1]=5, Row5[2]=2, Row5[3]=10, Row3[3]=19, Row2[2]=42, Row1[1]=82, Row4[3]=11, Row4[2]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [40,42]
  • [17,23,19]
  • [5,12,11,8]
  • [3,2,10,1,7]
Base
  • 3
  • 2
  • 10
  • 1
  • 7
TopValue
82
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":2,"v":10}
  • {"r":2,"c":2,"v":19}
  • {"r":1,"c":1,"v":42}
  • {"r":0,"c":0,"v":82}
  • {"r":3,"c":2,"v":11}
  • {"r":3,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [129] → [_, 72] → [22, _, _] → [_, 15, 20, _] → [2, _, 10, _, _]

Show answer

Answer: Row2[1]=57, Row3[2]=35, Row4[1]=7, Row4[4]=17, Row3[3]=37, Row5[2]=5, Row5[5]=7, Row5[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [129]
  • [57,72]
  • [22,35,37]
  • [7,15,20,17]
  • [2,5,10,10,7]
Base
  • 2
  • 5
  • 10
  • 10
  • 7
TopValue
129
HiddenCells
  • {"r":1,"c":0,"v":57}
  • {"r":2,"c":1,"v":35}
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":3,"v":17}
  • {"r":2,"c":2,"v":37}
  • {"r":4,"c":1,"v":5}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":3,"v":10}