hard Set 83 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [91] → [44, _] → [_, 23, _] → [9, _, _, _] → [5, 4, _, _, 10]

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Answer: Row4[3]=11, Row4[2]=12, Row2[2]=47, Row4[4]=13, Row5[3]=8, Row3[1]=21, Row5[4]=3, Row3[3]=24

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [44,47]
  • [21,23,24]
  • [9,12,11,13]
  • [5,4,8,3,10]
Base
  • 5
  • 4
  • 8
  • 3
  • 10
TopValue
91
HiddenCells
  • {"r":3,"c":2,"v":11}
  • {"r":3,"c":1,"v":12}
  • {"r":1,"c":1,"v":47}
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":2,"v":8}
  • {"r":2,"c":0,"v":21}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":2,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [26, 24, _] → [14, _, _, 18] → [_, 8, 4, _, 10]

Show answer

Answer: Row4[2]=12, Row5[4]=8, Row2[1]=50, Row4[3]=12, Row3[3]=30, Row1[1]=104, Row2[2]=54, Row5[1]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [50,54]
  • [26,24,30]
  • [14,12,12,18]
  • [6,8,4,8,10]
Base
  • 6
  • 8
  • 4
  • 8
  • 10
TopValue
104
HiddenCells
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":3,"v":8}
  • {"r":1,"c":0,"v":50}
  • {"r":3,"c":2,"v":12}
  • {"r":2,"c":2,"v":30}
  • {"r":0,"c":0,"v":104}
  • {"r":1,"c":1,"v":54}
  • {"r":4,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [137] → [_, _] → [30, _, 35] → [11, _, _, _] → [_, 10, _, 8, 10]

Show answer

Answer: Row5[3]=9, Row4[2]=19, Row3[2]=36, Row4[3]=17, Row4[4]=18, Row2[2]=71, Row2[1]=66, Row5[1]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [137]
  • [66,71]
  • [30,36,35]
  • [11,19,17,18]
  • [1,10,9,8,10]
Base
  • 1
  • 10
  • 9
  • 8
  • 10
TopValue
137
HiddenCells
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":1,"v":19}
  • {"r":2,"c":1,"v":36}
  • {"r":3,"c":2,"v":17}
  • {"r":3,"c":3,"v":18}
  • {"r":1,"c":1,"v":71}
  • {"r":1,"c":0,"v":66}
  • {"r":4,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [20, 30] → [_, _, 19] → [4, _, 6, 13] → [_, _, _, _, _]

Show answer

Answer: Row3[2]=11, Row5[1]=1, Row5[5]=9, Row5[2]=3, Row5[3]=2, Row5[4]=4, Row4[2]=5, Row3[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [50]
  • [20,30]
  • [9,11,19]
  • [4,5,6,13]
  • [1,3,2,4,9]
Base
  • 1
  • 3
  • 2
  • 4
  • 9
TopValue
50
HiddenCells
  • {"r":2,"c":1,"v":11}
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":1,"v":3}
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":0,"v":9}