hard Set 26 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [52, 38] → [_, _, _] → [_, 14, _, 4] → [9, 5, 9, _, _]

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Answer: Row3[3]=14, Row5[4]=1, Row4[1]=14, Row1[1]=90, Row3[1]=28, Row4[3]=10, Row5[5]=3, Row3[2]=24

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [52,38]
  • [28,24,14]
  • [14,14,10,4]
  • [9,5,9,1,3]
Base
  • 9
  • 5
  • 9
  • 1
  • 3
TopValue
90
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":0,"v":14}
  • {"r":0,"c":0,"v":90}
  • {"r":2,"c":0,"v":28}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":1,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [105] → [_, 46] → [_, 27, _] → [17, _, 12, _] → [_, _, _, 4, 3]

Show answer

Answer: Row5[2]=7, Row3[1]=32, Row4[2]=15, Row5[1]=10, Row2[1]=59, Row3[3]=19, Row4[4]=7, Row5[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [59,46]
  • [32,27,19]
  • [17,15,12,7]
  • [10,7,8,4,3]
Base
  • 10
  • 7
  • 8
  • 4
  • 3
TopValue
105
HiddenCells
  • {"r":4,"c":1,"v":7}
  • {"r":2,"c":0,"v":32}
  • {"r":3,"c":1,"v":15}
  • {"r":4,"c":0,"v":10}
  • {"r":1,"c":0,"v":59}
  • {"r":2,"c":2,"v":19}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 47] → [20, 23, 24] → [11, _, _, 10] → [_, _, 6, _, _]

Show answer

Answer: Row4[3]=14, Row5[2]=3, Row5[1]=8, Row5[4]=8, Row4[2]=9, Row1[1]=90, Row5[5]=2, Row2[1]=43

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [43,47]
  • [20,23,24]
  • [11,9,14,10]
  • [8,3,6,8,2]
Base
  • 8
  • 3
  • 6
  • 8
  • 2
TopValue
90
HiddenCells
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":1,"v":3}
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":1,"v":9}
  • {"r":0,"c":0,"v":90}
  • {"r":4,"c":4,"v":2}
  • {"r":1,"c":0,"v":43}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 23] → [11, 11, _] → [_, _, 7, _] → [6, 1, _, 4, _]

Show answer

Answer: Row4[2]=4, Row4[4]=5, Row1[1]=45, Row3[3]=12, Row5[3]=3, Row4[1]=7, Row5[5]=1, Row2[1]=22

SubType
number-pyramid
Difficulty
hard
Levels
  • [45]
  • [22,23]
  • [11,11,12]
  • [7,4,7,5]
  • [6,1,3,4,1]
Base
  • 6
  • 1
  • 3
  • 4
  • 1
TopValue
45
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":3,"v":5}
  • {"r":0,"c":0,"v":45}
  • {"r":2,"c":2,"v":12}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":0,"v":7}
  • {"r":4,"c":4,"v":1}
  • {"r":1,"c":0,"v":22}