hard Set 64 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 16, 12] → [10, _, 5, 7] → [_, 7, 4, _, _]

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Answer: Row3[1]=21, Row5[4]=1, Row5[1]=3, Row2[2]=28, Row4[2]=11, Row2[1]=37, Row5[5]=6, Row1[1]=65

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [37,28]
  • [21,16,12]
  • [10,11,5,7]
  • [3,7,4,1,6]
Base
  • 3
  • 7
  • 4
  • 1
  • 6
TopValue
65
HiddenCells
  • {"r":2,"c":0,"v":21}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":0,"v":3}
  • {"r":1,"c":1,"v":28}
  • {"r":3,"c":1,"v":11}
  • {"r":1,"c":0,"v":37}
  • {"r":4,"c":4,"v":6}
  • {"r":0,"c":0,"v":65}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [31, _, 25] → [18, 13, 12, _] → [_, _, 5, _, 6]

Show answer

Answer: Row5[1]=10, Row4[4]=13, Row2[2]=50, Row5[4]=7, Row5[2]=8, Row3[2]=25, Row1[1]=106, Row2[1]=56

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [56,50]
  • [31,25,25]
  • [18,13,12,13]
  • [10,8,5,7,6]
Base
  • 10
  • 8
  • 5
  • 7
  • 6
TopValue
106
HiddenCells
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":3,"v":13}
  • {"r":1,"c":1,"v":50}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":1,"v":25}
  • {"r":0,"c":0,"v":106}
  • {"r":1,"c":0,"v":56}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [79] → [_, _] → [_, 18, _] → [11, _, 6, _] → [_, 10, _, 4, 10]

Show answer

Answer: Row4[4]=14, Row5[1]=1, Row4[2]=12, Row3[3]=20, Row2[1]=41, Row3[1]=23, Row2[2]=38, Row5[3]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [41,38]
  • [23,18,20]
  • [11,12,6,14]
  • [1,10,2,4,10]
Base
  • 1
  • 10
  • 2
  • 4
  • 10
TopValue
79
HiddenCells
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":1,"v":12}
  • {"r":2,"c":2,"v":20}
  • {"r":1,"c":0,"v":41}
  • {"r":2,"c":0,"v":23}
  • {"r":1,"c":1,"v":38}
  • {"r":4,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, 38] → [_, _, 17] → [13, _, 9, 8] → [_, _, 6, _, _]

Show answer

Answer: Row3[1]=25, Row5[1]=7, Row4[2]=12, Row5[4]=3, Row3[2]=21, Row5[5]=5, Row1[1]=84, Row5[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [46,38]
  • [25,21,17]
  • [13,12,9,8]
  • [7,6,6,3,5]
Base
  • 7
  • 6
  • 6
  • 3
  • 5
TopValue
84
HiddenCells
  • {"r":2,"c":0,"v":25}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":1,"v":21}
  • {"r":4,"c":4,"v":5}
  • {"r":0,"c":0,"v":84}
  • {"r":4,"c":1,"v":6}