hard Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [_, 25] → [_, 15, 10] → [_, 8, _, _] → [2, _, _, _, 1]

Show answer

Answer: Row5[2]=3, Row3[1]=13, Row4[4]=3, Row2[1]=28, Row4[1]=5, Row5[3]=5, Row5[4]=2, Row4[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [53]
  • [28,25]
  • [13,15,10]
  • [5,8,7,3]
  • [2,3,5,2,1]
Base
  • 2
  • 3
  • 5
  • 2
  • 1
TopValue
53
HiddenCells
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":3,"v":3}
  • {"r":1,"c":0,"v":28}
  • {"r":3,"c":0,"v":5}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [11, 17, 12] → [_, _, _, 3] → [2, 1, _, 2, _]

Show answer

Answer: Row2[1]=28, Row4[1]=3, Row4[2]=8, Row5[3]=7, Row4[3]=9, Row2[2]=29, Row1[1]=57, Row5[5]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [57]
  • [28,29]
  • [11,17,12]
  • [3,8,9,3]
  • [2,1,7,2,1]
Base
  • 2
  • 1
  • 7
  • 2
  • 1
TopValue
57
HiddenCells
  • {"r":1,"c":0,"v":28}
  • {"r":3,"c":0,"v":3}
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":2,"v":9}
  • {"r":1,"c":1,"v":29}
  • {"r":0,"c":0,"v":57}
  • {"r":4,"c":4,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [96] → [52, _] → [_, 26, 18] → [_, _, _, _] → [5, 6, _, _, 5]

Show answer

Answer: Row5[4]=2, Row4[1]=11, Row4[3]=11, Row2[2]=44, Row4[2]=15, Row3[1]=26, Row5[3]=9, Row4[4]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [52,44]
  • [26,26,18]
  • [11,15,11,7]
  • [5,6,9,2,5]
Base
  • 5
  • 6
  • 9
  • 2
  • 5
TopValue
96
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":0,"v":11}
  • {"r":3,"c":2,"v":11}
  • {"r":1,"c":1,"v":44}
  • {"r":3,"c":1,"v":15}
  • {"r":2,"c":0,"v":26}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, 26] → [_, 16, 10] → [_, _, _, 6] → [_, 9, _, _, 5]

Show answer

Answer: Row5[3]=3, Row5[1]=9, Row4[3]=4, Row4[2]=12, Row5[4]=1, Row3[1]=30, Row1[1]=72, Row4[1]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [46,26]
  • [30,16,10]
  • [18,12,4,6]
  • [9,9,3,1,5]
Base
  • 9
  • 9
  • 3
  • 1
  • 5
TopValue
72
HiddenCells
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":0,"v":30}
  • {"r":0,"c":0,"v":72}
  • {"r":3,"c":0,"v":18}