hard Set 40 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [42, 39] → [_, _, _] → [_, _, _, 11] → [10, 6, 2, _, 3]

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Answer: Row4[2]=8, Row1[1]=81, Row3[3]=21, Row4[3]=10, Row5[4]=8, Row4[1]=16, Row3[2]=18, Row3[1]=24

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [42,39]
  • [24,18,21]
  • [16,8,10,11]
  • [10,6,2,8,3]
Base
  • 10
  • 6
  • 2
  • 8
  • 3
TopValue
81
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":0,"c":0,"v":81}
  • {"r":2,"c":2,"v":21}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":0,"v":16}
  • {"r":2,"c":1,"v":18}
  • {"r":2,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [73] → [_, 34] → [23, _, 18] → [_, 10, _, 12] → [_, 6, _, _, _]

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Answer: Row5[4]=2, Row5[3]=4, Row3[2]=16, Row4[3]=6, Row5[1]=7, Row2[1]=39, Row5[5]=10, Row4[1]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [39,34]
  • [23,16,18]
  • [13,10,6,12]
  • [7,6,4,2,10]
Base
  • 7
  • 6
  • 4
  • 2
  • 10
TopValue
73
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":2,"v":6}
  • {"r":4,"c":0,"v":7}
  • {"r":1,"c":0,"v":39}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 29, 17] → [12, _, 12, 5] → [_, _, 8, _, 1]

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Answer: Row4[2]=17, Row5[1]=3, Row2[2]=46, Row2[1]=58, Row1[1]=104, Row5[2]=9, Row5[4]=4, Row3[1]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [58,46]
  • [29,29,17]
  • [12,17,12,5]
  • [3,9,8,4,1]
Base
  • 3
  • 9
  • 8
  • 4
  • 1
TopValue
104
HiddenCells
  • {"r":3,"c":1,"v":17}
  • {"r":4,"c":0,"v":3}
  • {"r":1,"c":1,"v":46}
  • {"r":1,"c":0,"v":58}
  • {"r":0,"c":0,"v":104}
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":3,"v":4}
  • {"r":2,"c":0,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [69, _] → [36, 33, _] → [_, _, _, _] → [_, 10, 9, 5, 7]

Show answer

Answer: Row3[3]=26, Row1[1]=128, Row2[2]=59, Row5[1]=7, Row4[2]=19, Row4[3]=14, Row4[1]=17, Row4[4]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [128]
  • [69,59]
  • [36,33,26]
  • [17,19,14,12]
  • [7,10,9,5,7]
Base
  • 7
  • 10
  • 9
  • 5
  • 7
TopValue
128
HiddenCells
  • {"r":2,"c":2,"v":26}
  • {"r":0,"c":0,"v":128}
  • {"r":1,"c":1,"v":59}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":1,"v":19}
  • {"r":3,"c":2,"v":14}
  • {"r":3,"c":0,"v":17}
  • {"r":3,"c":3,"v":12}