hard Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 29] → [_, 15, _] → [11, _, _, _] → [10, _, 5, 4, 1]

Show answer

Answer: Row3[3]=14, Row4[3]=9, Row4[2]=6, Row1[1]=61, Row3[1]=17, Row2[1]=32, Row5[2]=1, Row4[4]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [61]
  • [32,29]
  • [17,15,14]
  • [11,6,9,5]
  • [10,1,5,4,1]
Base
  • 10
  • 1
  • 5
  • 4
  • 1
TopValue
61
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":1,"v":6}
  • {"r":0,"c":0,"v":61}
  • {"r":2,"c":0,"v":17}
  • {"r":1,"c":0,"v":32}
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, _] → [12, _, _] → [8, 4, _, 15] → [5, _, _, _, 8]

Show answer

Answer: Row5[4]=7, Row5[3]=1, Row3[2]=12, Row5[2]=3, Row4[3]=8, Row1[1]=59, Row2[2]=35, Row3[3]=23

SubType
number-pyramid
Difficulty
hard
Levels
  • [59]
  • [24,35]
  • [12,12,23]
  • [8,4,8,15]
  • [5,3,1,7,8]
Base
  • 5
  • 3
  • 1
  • 7
  • 8
TopValue
59
HiddenCells
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":2,"v":1}
  • {"r":2,"c":1,"v":12}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":2,"v":8}
  • {"r":0,"c":0,"v":59}
  • {"r":1,"c":1,"v":35}
  • {"r":2,"c":2,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [87] → [37, 50] → [_, _, _] → [10, _, _, 14] → [_, _, 5, 10, _]

Show answer

Answer: Row3[2]=21, Row5[2]=1, Row3[1]=16, Row3[3]=29, Row4[3]=15, Row5[1]=9, Row5[5]=4, Row4[2]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [37,50]
  • [16,21,29]
  • [10,6,15,14]
  • [9,1,5,10,4]
Base
  • 9
  • 1
  • 5
  • 10
  • 4
TopValue
87
HiddenCells
  • {"r":2,"c":1,"v":21}
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":0,"v":16}
  • {"r":2,"c":2,"v":29}
  • {"r":3,"c":2,"v":15}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [32, _] → [_, _, 32] → [8, _, _, 18] → [_, _, 4, 10, 8]

Show answer

Answer: Row5[2]=1, Row5[1]=7, Row4[2]=5, Row4[3]=14, Row1[1]=83, Row2[2]=51, Row3[1]=13, Row3[2]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [32,51]
  • [13,19,32]
  • [8,5,14,18]
  • [7,1,4,10,8]
Base
  • 7
  • 1
  • 4
  • 10
  • 8
TopValue
83
HiddenCells
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":2,"v":14}
  • {"r":0,"c":0,"v":83}
  • {"r":1,"c":1,"v":51}
  • {"r":2,"c":0,"v":13}
  • {"r":2,"c":1,"v":19}