hard Set 74 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 54] → [31, 30, _] → [_, _, 12, _] → [_, 10, _, 4, 8]

Show answer

Answer: Row4[1]=13, Row5[3]=8, Row3[3]=24, Row4[4]=12, Row4[2]=18, Row1[1]=115, Row5[1]=3, Row2[1]=61

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [61,54]
  • [31,30,24]
  • [13,18,12,12]
  • [3,10,8,4,8]
Base
  • 3
  • 10
  • 8
  • 4
  • 8
TopValue
115
HiddenCells
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":2,"v":8}
  • {"r":2,"c":2,"v":24}
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":1,"v":18}
  • {"r":0,"c":0,"v":115}
  • {"r":4,"c":0,"v":3}
  • {"r":1,"c":0,"v":61}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [86] → [47, _] → [24, _, _] → [10, _, _, _] → [_, _, 5, 4, 3]

Show answer

Answer: Row4[2]=14, Row2[2]=39, Row5[2]=9, Row4[3]=9, Row3[3]=16, Row4[4]=7, Row5[1]=1, Row3[2]=23

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [47,39]
  • [24,23,16]
  • [10,14,9,7]
  • [1,9,5,4,3]
Base
  • 1
  • 9
  • 5
  • 4
  • 3
TopValue
86
HiddenCells
  • {"r":3,"c":1,"v":14}
  • {"r":1,"c":1,"v":39}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":0,"v":1}
  • {"r":2,"c":1,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [48, 47] → [23, _, _] → [11, _, _, 9] → [_, 4, _, _, 4]

Show answer

Answer: Row3[2]=25, Row1[1]=95, Row5[1]=7, Row4[2]=12, Row5[4]=5, Row5[3]=8, Row4[3]=13, Row3[3]=22

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [48,47]
  • [23,25,22]
  • [11,12,13,9]
  • [7,4,8,5,4]
Base
  • 7
  • 4
  • 8
  • 5
  • 4
TopValue
95
HiddenCells
  • {"r":2,"c":1,"v":25}
  • {"r":0,"c":0,"v":95}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":2,"v":13}
  • {"r":2,"c":2,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [84] → [44, 40] → [_, _, 18] → [_, 14, _, _] → [_, 7, _, _, 9]

Show answer

Answer: Row4[1]=8, Row3[1]=22, Row4[3]=8, Row3[2]=22, Row4[4]=10, Row5[1]=1, Row5[4]=1, Row5[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [44,40]
  • [22,22,18]
  • [8,14,8,10]
  • [1,7,7,1,9]
Base
  • 1
  • 7
  • 7
  • 1
  • 9
TopValue
84
HiddenCells
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":0,"v":22}
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":1,"v":22}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":2,"v":7}