hard Set 41 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, _] → [8, 9, 4, _] → [1, 7, _, 2, 9]

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Answer: Row2[1]=30, Row2[2]=28, Row3[3]=15, Row1[1]=58, Row4[4]=11, Row5[3]=2, Row3[1]=17, Row3[2]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [58]
  • [30,28]
  • [17,13,15]
  • [8,9,4,11]
  • [1,7,2,2,9]
Base
  • 1
  • 7
  • 2
  • 2
  • 9
TopValue
58
HiddenCells
  • {"r":1,"c":0,"v":30}
  • {"r":1,"c":1,"v":28}
  • {"r":2,"c":2,"v":15}
  • {"r":0,"c":0,"v":58}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":0,"v":17}
  • {"r":2,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [130] → [65, 65] → [_, _, _] → [_, 17, 16, _] → [_, 9, _, 8, _]

Show answer

Answer: Row3[3]=32, Row5[3]=8, Row4[1]=15, Row3[1]=32, Row4[4]=16, Row3[2]=33, Row5[5]=8, Row5[1]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [130]
  • [65,65]
  • [32,33,32]
  • [15,17,16,16]
  • [6,9,8,8,8]
Base
  • 6
  • 9
  • 8
  • 8
  • 8
TopValue
130
HiddenCells
  • {"r":2,"c":2,"v":32}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":0,"v":15}
  • {"r":2,"c":0,"v":32}
  • {"r":3,"c":3,"v":16}
  • {"r":2,"c":1,"v":33}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [61] → [_, 32] → [16, _, 19] → [_, 6, 7, _] → [_, _, _, 5, _]

Show answer

Answer: Row5[2]=4, Row4[1]=10, Row2[1]=29, Row5[3]=2, Row4[4]=12, Row5[5]=7, Row5[1]=6, Row3[2]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [61]
  • [29,32]
  • [16,13,19]
  • [10,6,7,12]
  • [6,4,2,5,7]
Base
  • 6
  • 4
  • 2
  • 5
  • 7
TopValue
61
HiddenCells
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":0,"v":29}
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, 30] → [_, _, 16] → [_, 6, _, 8] → [_, 2, _, _, 4]

Show answer

Answer: Row4[1]=6, Row5[3]=4, Row1[1]=56, Row3[2]=14, Row5[1]=4, Row5[4]=4, Row4[3]=8, Row3[1]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [56]
  • [26,30]
  • [12,14,16]
  • [6,6,8,8]
  • [4,2,4,4,4]
Base
  • 4
  • 2
  • 4
  • 4
  • 4
TopValue
56
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":4,"c":2,"v":4}
  • {"r":0,"c":0,"v":56}
  • {"r":2,"c":1,"v":14}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":0,"v":12}