hard Set 99 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [38, _] → [22, 16, _] → [_, _, 8, 11] → [_, _, _, 6, 5]

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Answer: Row4[2]=8, Row5[3]=2, Row4[1]=14, Row2[2]=35, Row5[2]=6, Row3[3]=19, Row5[1]=8, Row1[1]=73

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [38,35]
  • [22,16,19]
  • [14,8,8,11]
  • [8,6,2,6,5]
Base
  • 8
  • 6
  • 2
  • 6
  • 5
TopValue
73
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":0,"v":14}
  • {"r":1,"c":1,"v":35}
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":2,"v":19}
  • {"r":4,"c":0,"v":8}
  • {"r":0,"c":0,"v":73}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [70] → [_, _] → [9, 18, 25] → [_, 6, _, _] → [2, _, _, 7, _]

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Answer: Row5[3]=5, Row4[1]=3, Row2[1]=27, Row2[2]=43, Row4[3]=12, Row5[5]=6, Row5[2]=1, Row4[4]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [27,43]
  • [9,18,25]
  • [3,6,12,13]
  • [2,1,5,7,6]
Base
  • 2
  • 1
  • 5
  • 7
  • 6
TopValue
70
HiddenCells
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":0,"v":3}
  • {"r":1,"c":0,"v":27}
  • {"r":1,"c":1,"v":43}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":3,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 45] → [_, 19, 26] → [18, _, 10, _] → [_, _, 1, 9, _]

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Answer: Row5[2]=8, Row5[1]=10, Row4[4]=16, Row2[1]=46, Row4[2]=9, Row3[1]=27, Row1[1]=91, Row5[5]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [46,45]
  • [27,19,26]
  • [18,9,10,16]
  • [10,8,1,9,7]
Base
  • 10
  • 8
  • 1
  • 9
  • 7
TopValue
91
HiddenCells
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":3,"v":16}
  • {"r":1,"c":0,"v":46}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":0,"v":27}
  • {"r":0,"c":0,"v":91}
  • {"r":4,"c":4,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [54, 51] → [_, _, _] → [_, 15, _, 14] → [5, _, 7, _, 10]

Show answer

Answer: Row5[4]=4, Row3[3]=25, Row4[3]=11, Row3[1]=28, Row3[2]=26, Row4[1]=13, Row1[1]=105, Row5[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [54,51]
  • [28,26,25]
  • [13,15,11,14]
  • [5,8,7,4,10]
Base
  • 5
  • 8
  • 7
  • 4
  • 10
TopValue
105
HiddenCells
  • {"r":4,"c":3,"v":4}
  • {"r":2,"c":2,"v":25}
  • {"r":3,"c":2,"v":11}
  • {"r":2,"c":0,"v":28}
  • {"r":2,"c":1,"v":26}
  • {"r":3,"c":0,"v":13}
  • {"r":0,"c":0,"v":105}
  • {"r":4,"c":1,"v":8}