hard Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [126] → [_, _] → [_, _, 20] → [20, 20, 13, _] → [10, _, 10, _, _]

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Answer: Row5[4]=3, Row2[2]=53, Row3[2]=33, Row3[1]=40, Row5[5]=4, Row4[4]=7, Row5[2]=10, Row2[1]=73

SubType
number-pyramid
Difficulty
hard
Levels
  • [126]
  • [73,53]
  • [40,33,20]
  • [20,20,13,7]
  • [10,10,10,3,4]
Base
  • 10
  • 10
  • 10
  • 3
  • 4
TopValue
126
HiddenCells
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":1,"v":53}
  • {"r":2,"c":1,"v":33}
  • {"r":2,"c":0,"v":40}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":1,"v":10}
  • {"r":1,"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): [_] → [41, 55] → [_, 26, _] → [_, 9, 17, _] → [5, _, 8, _, _]

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Answer: Row3[3]=29, Row4[1]=6, Row5[5]=3, Row3[1]=15, Row5[4]=9, Row1[1]=96, Row4[4]=12, Row5[2]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [41,55]
  • [15,26,29]
  • [6,9,17,12]
  • [5,1,8,9,3]
Base
  • 5
  • 1
  • 8
  • 9
  • 3
TopValue
96
HiddenCells
  • {"r":2,"c":2,"v":29}
  • {"r":3,"c":0,"v":6}
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":0,"v":15}
  • {"r":4,"c":3,"v":9}
  • {"r":0,"c":0,"v":96}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [77] → [31, 46] → [12, _, _] → [_, _, 11, _] → [1, _, 5, _, _]

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Answer: Row5[4]=6, Row4[1]=4, Row4[4]=16, Row5[2]=3, Row4[2]=8, Row5[5]=10, Row3[3]=27, Row3[2]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [31,46]
  • [12,19,27]
  • [4,8,11,16]
  • [1,3,5,6,10]
Base
  • 1
  • 3
  • 5
  • 6
  • 10
TopValue
77
HiddenCells
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":2,"v":27}
  • {"r":2,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [98] → [_, 50] → [23, _, _] → [_, _, 15, _] → [9, _, 6, _, 1]

Show answer

Answer: Row3[2]=25, Row5[4]=9, Row4[2]=10, Row5[2]=4, Row3[3]=25, Row4[1]=13, Row4[4]=10, Row2[1]=48

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [48,50]
  • [23,25,25]
  • [13,10,15,10]
  • [9,4,6,9,1]
Base
  • 9
  • 4
  • 6
  • 9
  • 1
TopValue
98
HiddenCells
  • {"r":2,"c":1,"v":25}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":1,"v":4}
  • {"r":2,"c":2,"v":25}
  • {"r":3,"c":0,"v":13}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":0,"v":48}