hard Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [20, _, _] → [12, 8, 5, _] → [8, 4, 4, _, _]

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Answer: Row1[1]=60, Row3[3]=14, Row2[2]=27, Row3[2]=13, Row5[4]=1, Row2[1]=33, Row4[4]=9, Row5[5]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [60]
  • [33,27]
  • [20,13,14]
  • [12,8,5,9]
  • [8,4,4,1,8]
Base
  • 8
  • 4
  • 4
  • 1
  • 8
TopValue
60
HiddenCells
  • {"r":0,"c":0,"v":60}
  • {"r":2,"c":2,"v":14}
  • {"r":1,"c":1,"v":27}
  • {"r":2,"c":1,"v":13}
  • {"r":4,"c":3,"v":1}
  • {"r":1,"c":0,"v":33}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":4,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [18, _, 26] → [_, _, 11, 15] → [6, 4, _, 7, _]

Show answer

Answer: Row4[1]=10, Row3[2]=19, Row5[5]=8, Row4[2]=8, Row2[1]=37, Row5[3]=4, Row1[1]=82, Row2[2]=45

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [37,45]
  • [18,19,26]
  • [10,8,11,15]
  • [6,4,4,7,8]
Base
  • 6
  • 4
  • 4
  • 7
  • 8
TopValue
82
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":0,"v":37}
  • {"r":4,"c":2,"v":4}
  • {"r":0,"c":0,"v":82}
  • {"r":1,"c":1,"v":45}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [43, _] → [_, 23, _] → [12, _, _, 12] → [_, _, 5, 10, 2]

Show answer

Answer: Row4[2]=8, Row2[2]=50, Row5[1]=9, Row5[2]=3, Row1[1]=93, Row3[3]=27, Row4[3]=15, Row3[1]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [93]
  • [43,50]
  • [20,23,27]
  • [12,8,15,12]
  • [9,3,5,10,2]
Base
  • 9
  • 3
  • 5
  • 10
  • 2
TopValue
93
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":1,"v":50}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":1,"v":3}
  • {"r":0,"c":0,"v":93}
  • {"r":2,"c":2,"v":27}
  • {"r":3,"c":2,"v":15}
  • {"r":2,"c":0,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [61, 51] → [_, _, 20] → [_, _, 14, 6] → [5, _, _, 5, _]

Show answer

Answer: Row3[1]=30, Row5[2]=8, Row4[2]=17, Row1[1]=112, Row5[3]=9, Row5[5]=1, Row4[1]=13, Row3[2]=31

SubType
number-pyramid
Difficulty
hard
Levels
  • [112]
  • [61,51]
  • [30,31,20]
  • [13,17,14,6]
  • [5,8,9,5,1]
Base
  • 5
  • 8
  • 9
  • 5
  • 1
TopValue
112
HiddenCells
  • {"r":2,"c":0,"v":30}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":1,"v":17}
  • {"r":0,"c":0,"v":112}
  • {"r":4,"c":2,"v":9}
  • {"r":4,"c":4,"v":1}
  • {"r":3,"c":0,"v":13}
  • {"r":2,"c":1,"v":31}