hard Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [82] → [_, 32] → [_, 20, _] → [17, _, 7, 5] → [_, _, 5, _, _]

Show answer

Answer: Row2[1]=50, Row4[2]=13, Row5[4]=2, Row5[5]=3, Row5[1]=9, Row3[1]=30, Row5[2]=8, Row3[3]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [50,32]
  • [30,20,12]
  • [17,13,7,5]
  • [9,8,5,2,3]
Base
  • 9
  • 8
  • 5
  • 2
  • 3
TopValue
82
HiddenCells
  • {"r":1,"c":0,"v":50}
  • {"r":3,"c":1,"v":13}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":0,"v":9}
  • {"r":2,"c":0,"v":30}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [69] → [_, _] → [11, _, 24] → [6, _, _, _] → [4, _, _, 9, 3]

Show answer

Answer: Row4[4]=12, Row5[2]=2, Row4[3]=12, Row2[2]=41, Row2[1]=28, Row5[3]=3, Row4[2]=5, Row3[2]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [69]
  • [28,41]
  • [11,17,24]
  • [6,5,12,12]
  • [4,2,3,9,3]
Base
  • 4
  • 2
  • 3
  • 9
  • 3
TopValue
69
HiddenCells
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":2,"v":12}
  • {"r":1,"c":1,"v":41}
  • {"r":1,"c":0,"v":28}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":1,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [93] → [_, 48] → [_, 22, 26] → [_, _, 13, _] → [_, _, 5, 8, _]

Show answer

Answer: Row4[2]=9, Row5[5]=5, Row4[4]=13, Row5[2]=4, Row2[1]=45, Row5[1]=10, Row3[1]=23, Row4[1]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [93]
  • [45,48]
  • [23,22,26]
  • [14,9,13,13]
  • [10,4,5,8,5]
Base
  • 10
  • 4
  • 5
  • 8
  • 5
TopValue
93
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":1,"v":4}
  • {"r":1,"c":0,"v":45}
  • {"r":4,"c":0,"v":10}
  • {"r":2,"c":0,"v":23}
  • {"r":3,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [60, 52] → [34, _, _] → [20, 14, _, _] → [10, _, 4, _, _]

Show answer

Answer: Row1[1]=112, Row5[2]=10, Row3[2]=26, Row4[4]=14, Row4[3]=12, Row5[5]=6, Row3[3]=26, Row5[4]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [112]
  • [60,52]
  • [34,26,26]
  • [20,14,12,14]
  • [10,10,4,8,6]
Base
  • 10
  • 10
  • 4
  • 8
  • 6
TopValue
112
HiddenCells
  • {"r":0,"c":0,"v":112}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":1,"v":26}
  • {"r":3,"c":3,"v":14}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":4,"v":6}
  • {"r":2,"c":2,"v":26}
  • {"r":4,"c":3,"v":8}