hard Set 42 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [83] → [_, _] → [_, _, 22] → [_, _, _, 10] → [5, 5, _, 8, 2]

Show answer

Answer: Row3[2]=21, Row3[1]=19, Row4[3]=12, Row2[1]=40, Row2[2]=43, Row4[2]=9, Row4[1]=10, Row5[3]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [40,43]
  • [19,21,22]
  • [10,9,12,10]
  • [5,5,4,8,2]
Base
  • 5
  • 5
  • 4
  • 8
  • 2
TopValue
83
HiddenCells
  • {"r":2,"c":1,"v":21}
  • {"r":2,"c":0,"v":19}
  • {"r":3,"c":2,"v":12}
  • {"r":1,"c":0,"v":40}
  • {"r":1,"c":1,"v":43}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 32] → [20, _, _] → [14, _, 6, 14] → [9, _, _, _, 9]

Show answer

Answer: Row3[3]=20, Row5[2]=5, Row3[2]=12, Row2[1]=32, Row4[2]=6, Row5[3]=1, Row1[1]=64, Row5[4]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [64]
  • [32,32]
  • [20,12,20]
  • [14,6,6,14]
  • [9,5,1,5,9]
Base
  • 9
  • 5
  • 1
  • 5
  • 9
TopValue
64
HiddenCells
  • {"r":2,"c":2,"v":20}
  • {"r":4,"c":1,"v":5}
  • {"r":2,"c":1,"v":12}
  • {"r":1,"c":0,"v":32}
  • {"r":3,"c":1,"v":6}
  • {"r":4,"c":2,"v":1}
  • {"r":0,"c":0,"v":64}
  • {"r":4,"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): [82] → [36, 46] → [_, 19, _] → [_, _, _, 14] → [10, _, _, _, 6]

Show answer

Answer: Row5[3]=5, Row4[1]=11, Row3[3]=27, Row5[4]=8, Row4[3]=13, Row5[2]=1, Row4[2]=6, Row3[1]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [36,46]
  • [17,19,27]
  • [11,6,13,14]
  • [10,1,5,8,6]
Base
  • 10
  • 1
  • 5
  • 8
  • 6
TopValue
82
HiddenCells
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":0,"v":11}
  • {"r":2,"c":2,"v":27}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":1,"v":6}
  • {"r":2,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 30] → [20, 13, _] → [_, _, 5, _] → [7, _, 3, _, 10]

Show answer

Answer: Row4[4]=12, Row4[2]=8, Row1[1]=63, Row4[1]=12, Row2[1]=33, Row5[2]=5, Row3[3]=17, Row5[4]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [33,30]
  • [20,13,17]
  • [12,8,5,12]
  • [7,5,3,2,10]
Base
  • 7
  • 5
  • 3
  • 2
  • 10
TopValue
63
HiddenCells
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":1,"v":8}
  • {"r":0,"c":0,"v":63}
  • {"r":3,"c":0,"v":12}
  • {"r":1,"c":0,"v":33}
  • {"r":4,"c":1,"v":5}
  • {"r":2,"c":2,"v":17}
  • {"r":4,"c":3,"v":2}