hard Set 60 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [102] → [_, 54] → [_, 23, _] → [_, _, 13, _] → [_, 7, _, 10, 8]

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Answer: Row5[1]=8, Row4[4]=18, Row5[3]=3, Row3[1]=25, Row2[1]=48, Row3[3]=31, Row4[1]=15, Row4[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [102]
  • [48,54]
  • [25,23,31]
  • [15,10,13,18]
  • [8,7,3,10,8]
Base
  • 8
  • 7
  • 3
  • 10
  • 8
TopValue
102
HiddenCells
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":3,"v":18}
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":0,"v":25}
  • {"r":1,"c":0,"v":48}
  • {"r":2,"c":2,"v":31}
  • {"r":3,"c":0,"v":15}
  • {"r":3,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [105] → [50, 55] → [_, _, _] → [_, _, 17, _] → [_, _, 10, 7, 2]

Show answer

Answer: Row3[3]=26, Row4[1]=9, Row5[2]=2, Row4[2]=12, Row3[2]=29, Row4[4]=9, Row5[1]=7, Row3[1]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [50,55]
  • [21,29,26]
  • [9,12,17,9]
  • [7,2,10,7,2]
Base
  • 7
  • 2
  • 10
  • 7
  • 2
TopValue
105
HiddenCells
  • {"r":2,"c":2,"v":26}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":1,"v":12}
  • {"r":2,"c":1,"v":29}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":0,"v":7}
  • {"r":2,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [77] → [40, 37] → [_, _, 18] → [_, _, 7, 11] → [_, _, _, _, 10]

Show answer

Answer: Row5[4]=1, Row4[1]=9, Row4[2]=12, Row5[3]=6, Row3[1]=21, Row5[2]=6, Row3[2]=19, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [40,37]
  • [21,19,18]
  • [9,12,7,11]
  • [3,6,6,1,10]
Base
  • 3
  • 6
  • 6
  • 1
  • 10
TopValue
77
HiddenCells
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":2,"v":6}
  • {"r":2,"c":0,"v":21}
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [35, 43] → [_, 18, 25] → [_, _, _, _] → [4, 5, _, _, 8]

Show answer

Answer: Row4[3]=10, Row3[1]=17, Row4[4]=15, Row5[4]=7, Row5[3]=3, Row4[2]=8, Row1[1]=78, Row4[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [35,43]
  • [17,18,25]
  • [9,8,10,15]
  • [4,5,3,7,8]
Base
  • 4
  • 5
  • 3
  • 7
  • 8
TopValue
78
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":1,"v":8}
  • {"r":0,"c":0,"v":78}
  • {"r":3,"c":0,"v":9}