hard Set 50 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [81] → [43, _] → [_, _, 20] → [_, _, 6, 14] → [3, _, _, 4, _]

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Answer: Row2[2]=38, Row3[2]=18, Row3[1]=25, Row4[1]=13, Row5[5]=10, Row5[2]=10, Row5[3]=2, Row4[2]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [43,38]
  • [25,18,20]
  • [13,12,6,14]
  • [3,10,2,4,10]
Base
  • 3
  • 10
  • 2
  • 4
  • 10
TopValue
81
HiddenCells
  • {"r":1,"c":1,"v":38}
  • {"r":2,"c":1,"v":18}
  • {"r":2,"c":0,"v":25}
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":2,"v":2}
  • {"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): [91] → [46, _] → [26, _, 25] → [_, _, _, 15] → [_, 7, 3, _, _]

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Answer: Row4[1]=16, Row5[4]=7, Row5[1]=9, Row4[3]=10, Row4[2]=10, Row5[5]=8, Row2[2]=45, Row3[2]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [46,45]
  • [26,20,25]
  • [16,10,10,15]
  • [9,7,3,7,8]
Base
  • 9
  • 7
  • 3
  • 7
  • 8
TopValue
91
HiddenCells
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":4,"v":8}
  • {"r":1,"c":1,"v":45}
  • {"r":2,"c":1,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [127] → [65, 62] → [_, _, 29] → [_, _, _, _] → [7, _, _, 10, 2]

Show answer

Answer: Row3[2]=33, Row5[2]=9, Row3[1]=32, Row4[3]=17, Row4[1]=16, Row4[4]=12, Row5[3]=7, Row4[2]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [127]
  • [65,62]
  • [32,33,29]
  • [16,16,17,12]
  • [7,9,7,10,2]
Base
  • 7
  • 9
  • 7
  • 10
  • 2
TopValue
127
HiddenCells
  • {"r":2,"c":1,"v":33}
  • {"r":4,"c":1,"v":9}
  • {"r":2,"c":0,"v":32}
  • {"r":3,"c":2,"v":17}
  • {"r":3,"c":0,"v":16}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [96] → [48, 48] → [25, _, _] → [_, 13, _, 15] → [_, 8, _, _, _]

Show answer

Answer: Row5[5]=10, Row4[3]=10, Row3[3]=25, Row5[1]=4, Row4[1]=12, Row3[2]=23, Row5[3]=5, Row5[4]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [48,48]
  • [25,23,25]
  • [12,13,10,15]
  • [4,8,5,5,10]
Base
  • 4
  • 8
  • 5
  • 5
  • 10
TopValue
96
HiddenCells
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":2,"v":25}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":1,"v":23}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":3,"v":5}